56115111165 has 16 divisors (see below), whose sum is σ = 89810157888. Its totient is φ = 29919399296.

The previous prime is 56115111149. The next prime is 56115111167. The reversal of 56115111165 is 56111151165.

56115111165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56115111165 - 2⁴ = 56115111149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56115111167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487512 + ... + 591521.

It is an arithmetic number, because the mean of its divisors is an integer number (5613134868).

Almost surely, 2^56115111165 is an apocalyptic number.

It is an amenable number.

56115111165 is a deficient number, since it is larger than the sum of its proper divisors (33695046723).

56115111165 is a wasteful number, since it uses less digits than its factorization.

56115111165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082508.

The product of its digits is 4500, while the sum is 33.

The spelling of 56115111165 in words is "fifty-six billion, one hundred fifteen million, one hundred eleven thousand, one hundred sixty-five".