1156334564 has 36 divisors (see below), whose sum is σ = 2542032192. Its totient is φ = 450518640.

The previous prime is 1156334539. The next prime is 1156334579. The reversal of 1156334564 is 4654336511.

It is a super-4 number, since 4×1156334564⁴ (a number of 37 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167264 + ... + 174039.

Almost surely, 2^1156334564 is an apocalyptic number.

1156334564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1156334564 is an abundant number, since it is smaller than the sum of its proper divisors (1385697628).

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

1156334564 is a wasteful number, since it uses less digits than its factorization.

1156334564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341336 (or 341323 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 1156334564 is about 34004.9197028901. The cubic root of 1156334564 is about 1049.6097004409.

The spelling of 1156334564 in words is "one billion, one hundred fifty-six million, three hundred thirty-four thousand, five hundred sixty-four".