56012386218 has 16 divisors (see below), whose sum is σ = 112058322816. Its totient is φ = 18665203680.

The previous prime is 56012386211. The next prime is 56012386231. The reversal of 56012386218 is 81268321065.

56012386218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 56012386218.

It is not an unprimeable number, because it can be changed into a prime (56012386211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1376203 + ... + 1416318.

It is an arithmetic number, because the mean of its divisors is an integer number (7003645176).

Almost surely, 2^56012386218 is an apocalyptic number.

56012386218 is an abundant number, since it is smaller than the sum of its proper divisors (56045936598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56012386218 is a wasteful number, since it uses less digits than its factorization.

56012386218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795869.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 56012386218 in words is "fifty-six billion, twelve million, three hundred eighty-six thousand, two hundred eighteen".