1157088520 has 64 divisors (see below), whose sum is σ = 2978755200. Its totient is φ = 396264960.

The previous prime is 1157088509. The next prime is 1157088523. The reversal of 1157088520 is 258807511.

It is a self number, because there is not a number n which added to its sum of digits gives 1157088520.

It is not an unprimeable number, because it can be changed into a prime (1157088523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326116 + ... + 329644.

It is an arithmetic number, because the mean of its divisors is an integer number (46543050).

Almost surely, 2^1157088520 is an apocalyptic number.

1157088520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1157088520 is an abundant number, since it is smaller than the sum of its proper divisors (1821666680).

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

1157088520 is a wasteful number, since it uses less digits than its factorization.

1157088520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4718 (or 4714 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 37.

The square root of 1157088520 is about 34016.0038805266. The cubic root of 1157088520 is about 1049.8377738790.

The spelling of 1157088520 in words is "one billion, one hundred fifty-seven million, eighty-eight thousand, five hundred twenty".