117751236201 has 27 divisors (see below), whose sum is σ = 171850313271. Its totient is φ = 77694423984.

The previous prime is 117751236143. The next prime is 117751236203. The reversal of 117751236201 is 102632157711.

The square root of 117751236201 is 343149.

It is a perfect power (a square), and thus also a powerful number.

117751236201 is a `hidden beast` number, since 1 + 1 + 7 + 7 + 5 + 1 + 23 + 620 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 55061091801 + 62690144400 = 234651^2 + 250380^2 .

It is not a de Polignac number, because 117751236201 - 2⁷ = 117751236073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117751236203) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 110150295 + ... + 110151363.

Almost surely, 2^117751236201 is an apocalyptic number.

117751236201 is the 343149-th square number.

117751236201 is the 171575-th centered octagonal number.

It is an amenable number.

117751236201 is a deficient number, since it is larger than the sum of its proper divisors (54099077070).

117751236201 is an frugal number, since it uses more digits than its factorization.

117751236201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358 (or 1179 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

Multiplying 117751236201 by its sum of digits (36), we get a square (4239044503236 = 2058894²).

The spelling of 117751236201 in words is "one hundred seventeen billion, seven hundred fifty-one million, two hundred thirty-six thousand, two hundred one".