56565116112 has 80 divisors (see below), whose sum is σ = 148071991040. Its totient is φ = 18604325376.

The previous prime is 56565115979. The next prime is 56565116143. The reversal of 56565116112 is 21161156565.

It is a super-2 number, since 2×56565116112² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7326078 + ... + 7333794.

It is an arithmetic number, because the mean of its divisors is an integer number (1850899888).

Almost surely, 2^56565116112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56565116112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74035995520).

56565116112 is an abundant number, since it is smaller than the sum of its proper divisors (91506874928).

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

56565116112 is a wasteful number, since it uses less digits than its factorization.

56565116112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9740 (or 9734 counting only the distinct ones).

The product of its digits is 54000, while the sum is 39.

The spelling of 56565116112 in words is "fifty-six billion, five hundred sixty-five million, one hundred sixteen thousand, one hundred twelve".