113905168072 has 16 divisors (see below), whose sum is σ = 219344412060. Its totient is φ = 55413324864.

The previous prime is 113905168031. The next prime is 113905168073. The reversal of 113905168072 is 270861509311.

It can be written as a sum of positive squares in 2 ways, for example, as 113788830276 + 116337796 = 337326^2 + 10786^2 .

It is not an unprimeable number, because it can be changed into a prime (113905168073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192407083 + ... + 192407674.

Almost surely, 2^113905168072 is an apocalyptic number.

It is an amenable number.

113905168072 is a deficient number, since it is larger than the sum of its proper divisors (105439243988).

113905168072 is a wasteful number, since it uses less digits than its factorization.

113905168072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384814800 (or 384814796 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 113905168072 in words is "one hundred thirteen billion, nine hundred five million, one hundred sixty-eight thousand, seventy-two".