113796251569 has 81 divisors (see below), whose sum is σ = 158025800961. Its totient is φ = 81608567040.

The previous prime is 113796251561. The next prime is 113796251659. The reversal of 113796251569 is 965152697311.

The square root of 113796251569 is 337337.

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

It can be written as a sum of positive squares in 4 ways, for example, as 39496395169 + 74299856400 = 198737^2 + 272580^2 .

It is not a de Polignac number, because 113796251569 - 2³ = 113796251561 is a prime.

It is a super-3 number, since 3×113796251569³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (113796251561) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 337674169 + ... + 337674505.

Almost surely, 2^113796251569 is an apocalyptic number.

113796251569 is the 337337-th square number.

113796251569 is the 168669-th centered octagonal number.

It is an amenable number.

113796251569 is a deficient number, since it is larger than the sum of its proper divisors (44229549392).

113796251569 is an equidigital number, since it uses as much as digits as its factorization.

113796251569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736 (or 368 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 55.

The spelling of 113796251569 in words is "one hundred thirteen billion, seven hundred ninety-six million, two hundred fifty-one thousand, five hundred sixty-nine".