56111230616 has 64 divisors (see below), whose sum is σ = 126943065600. Its totient is φ = 22714255872.

The previous prime is 56111230547. The next prime is 56111230627. The reversal of 56111230616 is 61603211165.

56111230616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280325 + ... + 436811.

It is an arithmetic number, because the mean of its divisors is an integer number (1983485400).

Almost surely, 2^56111230616 is an apocalyptic number.

56111230616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56111230616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63471532800).

56111230616 is an abundant number, since it is smaller than the sum of its proper divisors (70831834984).

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

56111230616 is a wasteful number, since it uses less digits than its factorization.

56111230616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156856 (or 156852 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 56111230616 in words is "fifty-six billion, one hundred eleven million, two hundred thirty thousand, six hundred sixteen".