113213713617 has 6 divisors (see below), whose sum is σ = 163530919682. Its totient is φ = 75475809072.

The previous prime is 113213713609. The next prime is 113213713619. The reversal of 113213713617 is 716317312311.

113213713617 is a `hidden beast` number, since 1 + 1 + 3 + 2 + 1 + 37 + 1 + 3 + 617 = 666.

It can be written as a sum of positive squares in only one way, i.e., 83589796161 + 29623917456 = 289119^2 + 172116^2 .

It is not a de Polignac number, because 113213713617 - 2³ = 113213713609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113213713619) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6289650748 + ... + 6289650765.

Almost surely, 2^113213713617 is an apocalyptic number.

It is an amenable number.

113213713617 is a deficient number, since it is larger than the sum of its proper divisors (50317206065).

113213713617 is a wasteful number, since it uses less digits than its factorization.

113213713617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12579301519 (or 12579301516 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The spelling of 113213713617 in words is "one hundred thirteen billion, two hundred thirteen million, seven hundred thirteen thousand, six hundred seventeen".