56115111166 has 8 divisors (see below), whose sum is σ = 87832347984. Its totient is φ = 26837661840.

The previous prime is 56115111149. The next prime is 56115111167. The reversal of 56115111166 is 66111151165.

56115111166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 609946815 + ... + 609946906.

It is an arithmetic number, because the mean of its divisors is an integer number (10979043498).

Almost surely, 2^56115111166 is an apocalyptic number.

56115111166 is a deficient number, since it is larger than the sum of its proper divisors (31717236818).

56115111166 is a wasteful number, since it uses less digits than its factorization.

56115111166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219893746.

The product of its digits is 5400, while the sum is 34.

It can be divided in two parts, 56115 and 111166, that added together give a square (167281 = 409²).

The spelling of 56115111166 in words is "fifty-six billion, one hundred fifteen million, one hundred eleven thousand, one hundred sixty-six".