1157157964 has 12 divisors (see below), whose sum is σ = 2025927904. Its totient is φ = 578321424.

The previous prime is 1157157961. The next prime is 1157158003. The reversal of 1157157964 is 4697517511.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1157157961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54099 + ... + 72394.

Almost surely, 2^1157157964 is an apocalyptic number.

It is an amenable number.

1157157964 is a deficient number, since it is larger than the sum of its proper divisors (868769940).

1157157964 is a wasteful number, since it uses less digits than its factorization.

1157157964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128784 (or 128782 counting only the distinct ones).

The product of its digits is 264600, while the sum is 46.

The square root of 1157157964 is about 34017.0246200340. The cubic root of 1157157964 is about 1049.8587758665.

The spelling of 1157157964 in words is "one billion, one hundred fifty-seven million, one hundred fifty-seven thousand, nine hundred sixty-four".