656112115500 has 48 divisors (see below), whose sum is σ = 1910598484704. Its totient is φ = 174963230400.

The previous prime is 656112115471. The next prime is 656112115531. The reversal of 656112115500 is 5511211656.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218702539 + ... + 218705538.

It is an arithmetic number, because the mean of its divisors is an integer number (39804135098).

Almost surely, 2^656112115500 is an apocalyptic number.

656112115500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

656112115500 is an abundant number, since it is smaller than the sum of its proper divisors (1254486369204).

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

656112115500 is a wasteful number, since it uses less digits than its factorization.

656112115500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437408099 (or 437408087 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 33.

The spelling of 656112115500 in words is "six hundred fifty-six billion, one hundred twelve million, one hundred fifteen thousand, five hundred".