120587157056 has 56 divisors (see below), whose sum is σ = 251490845760. Its totient is φ = 57257114112.

The previous prime is 120587157029. The next prime is 120587157091. The reversal of 120587157056 is 650751785021.

It is a self number, because there is not a number n which added to its sum of digits gives 120587157056.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90071 + ... + 499286.

It is an arithmetic number, because the mean of its divisors is an integer number (4490907960).

Almost surely, 2^120587157056 is an apocalyptic number.

120587157056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

120587157056 is an abundant number, since it is smaller than the sum of its proper divisors (130903688704).

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

120587157056 is a wasteful number, since it uses less digits than its factorization.

120587157056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589531 (or 589521 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 47.

The spelling of 120587157056 in words is "one hundred twenty billion, five hundred eighty-seven million, one hundred fifty-seven thousand, fifty-six".