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A Septentrigintillion (1 Septentrigintillion) is 10 to the power of 114 (10^114). This is a very massive number!

How many zeros in a Septentrigintillion?

There are 114 zeros in a Septentrigintillion.

What's before Septentrigintillion?

A Sestrigintillion is smaller than a Septentrigintillion.

What's after Septentrigintillion?

A Octotrigintillion is larger than a Septentrigintillion.


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

Is Septentrigintillion the largest number?

Septentrigintillion 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.

Septentrigintillion written out

Septentrigintillion is written out as:


Big Numbers

This is just one of many really big numbers!

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