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A Sestrigintillion (1 Sestrigintillion) is 10 to the power of 111 (10^111). This is a very humongous number!

How many zeros in a Sestrigintillion?

There are 111 zeros in a Sestrigintillion.

What's before Sestrigintillion?

A Quintrigintillion is smaller than a Sestrigintillion.

What's after Sestrigintillion?

A Septentrigintillion is larger than a Sestrigintillion.


A Sestrigintillionaire is someone whos assets, net worth or wealth is 1 or more Sestrigintillion. It is unlikely anyone will ever be a true Sestrigintillionaire. If you want to be a Sestrigintillionaire, play Tap Tales!

Is Sestrigintillion the largest number?

Sestrigintillion is not the largest number. Infinity best describes the largest possible number - if there even is one! We cannot comprehend what the largest number actually is.

Sestrigintillion written out

Sestrigintillion is written out as:


Big Numbers

This is just one of many really big numbers!

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