111425604165 has 12 divisors (see below), whose sum is σ = 193137713964. Its totient is φ = 59426988864.

The previous prime is 111425604127. The next prime is 111425604179. The reversal of 111425604165 is 561406524111.

111425604165 is a `hidden beast` number, since 1 + 1 + 1 + 42 + 5 + 604 + 1 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 38983343364 + 72442260801 = 197442^2 + 269151^2 .

It is not a de Polignac number, because 111425604165 - 2⁸ = 111425603909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1238062224 + ... + 1238062313.

It is an arithmetic number, because the mean of its divisors is an integer number (16094809497).

Almost surely, 2^111425604165 is an apocalyptic number.

111425604165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111425604165 is a deficient number, since it is larger than the sum of its proper divisors (81712109799).

111425604165 is a wasteful number, since it uses less digits than its factorization.

111425604165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476124548 (or 2476124545 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 111425604165 in words is "one hundred eleven billion, four hundred twenty-five million, six hundred four thousand, one hundred sixty-five".