56153522535165 has 32 divisors (see below), whose sum is σ = 108903801283200. Its totient is φ = 27225950319360.

The previous prime is 56153522535163. The next prime is 56153522535179.

56153522535165 is a `hidden beast` number, since 5 + 6 + 1 + 5 + 3 + 5 + 225 + 351 + 65 = 666.

56153522535165 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56153522535165 - 2¹ = 56153522535163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56153522535163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18906908460 + ... + 18906911429.

It is an arithmetic number, because the mean of its divisors is an integer number (3403243790100).

Almost surely, 2^{56153522535165} is an apocalyptic number.

56153522535165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56153522535165 is a deficient number, since it is larger than the sum of its proper divisors (52750278748035).

56153522535165 is a wasteful number, since it uses less digits than its factorization.

56153522535165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37813819914 (or 37813819908 counting only the distinct ones).

The product of its digits is 20250000, while the sum is 54.

The spelling of 56153522535165 in words is "fifty-six trillion, one hundred fifty-three billion, five hundred twenty-two million, five hundred thirty-five thousand, one hundred sixty-five".