What Comes After Sextillion?

There's quadrillion, quintillion, sextillion, septillion, octillion, nonillion, decillion and more. Each is a thousand of the previous one. There's even a humongous number called vigintillion, a one with 63 zeros. But vigintillion is a shrimp compared to a googol.

What is the biggest named number?

According to many books (such as Mathematics, A human Endeavor by Harold Jacobs)2 the googol is one of the largest numbers ever named. The googolplex is 1 followed by a googol zeros. More recently, Skewer's number is the largest number ever used in a mathematical proof.

What is after zillion?

We can say that zillion and jillion are roughly in the same class in terms of vastness. Beyond these lie the more ginormous bazillion and bajillion. Beyond even these are the incomprehensible gazillion and gajillion [4] .