1156685952 has 64 divisors (see below), whose sum is σ = 3234175200. Its totient is φ = 365266944.

The previous prime is 1156685927. The next prime is 1156685963. The reversal of 1156685952 is 2595866511.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 71973 + ... + 86564.

Almost surely, 2^1156685952 is an apocalyptic number.

1156685952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1156685952 is an abundant number, since it is smaller than the sum of its proper divisors (2077489248).

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

1156685952 is a wasteful number, since it uses less digits than its factorization.

1156685952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158573 (or 158561 counting only the distinct ones).

The product of its digits is 648000, while the sum is 48.

The square root of 1156685952 is about 34010.0860334107. The cubic root of 1156685952 is about 1049.7160084570.

The spelling of 1156685952 in words is "one billion, one hundred fifty-six million, six hundred eighty-five thousand, nine hundred fifty-two".