56111211211165 has 16 divisors (see below), whose sum is σ = 74141168806080. Its totient is φ = 40426768990720.

The previous prime is 56111211211127. The next prime is 56111211211169.

56111211211165 is nontrivially palindromic in base 10.

56111211211165 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56111211211165 - 2⁷ = 56111211211037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56111211211165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56111211211169) 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, 4767301780 + ... + 4767313549.

It is an arithmetic number, because the mean of its divisors is an integer number (4633823050380).

Almost surely, 2^{56111211211165} is an apocalyptic number.

56111211211165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56111211211165 is a deficient number, since it is larger than the sum of its proper divisors (18029957594915).

56111211211165 is a wasteful number, since it uses less digits than its factorization.

56111211211165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9534615452.

The product of its digits is 3600, while the sum is 34.

It can be divided in two parts, 5611121 and 1211165, that added together give a palindrome (6822286).

The spelling of 56111211211165 in words is "fifty-six trillion, one hundred eleven billion, two hundred eleven million, two hundred eleven thousand, one hundred sixty-five".