56785871156 has 12 divisors (see below), whose sum is σ = 113571742368. Its totient is φ = 24336801912.

The previous prime is 56785871147. The next prime is 56785871227. The reversal of 56785871156 is 65117858765.

56785871156 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 56785871095 and 56785871104.

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 3 ways as a sum of consecutive naturals, for example, 1014033386 + ... + 1014033441.

It is an arithmetic number, because the mean of its divisors is an integer number (9464311864).

Almost surely, 2^56785871156 is an apocalyptic number.

It is an amenable number.

56785871156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56785871156 is a wasteful number, since it uses less digits than its factorization.

56785871156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028066838 (or 2028066836 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 59.

The spelling of 56785871156 in words is "fifty-six billion, seven hundred eighty-five million, eight hundred seventy-one thousand, one hundred fifty-six".