1156665515160 has 32 divisors (see below), whose sum is σ = 3469996545840. Its totient is φ = 308444137344.

The previous prime is 1156665515101. The next prime is 1156665515171. The reversal of 1156665515160 is 615155666511.

It is a super-2 number, since 2×1156665515160² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 4819439527 + ... + 4819439766.

Almost surely, 2^{1156665515160} is an apocalyptic number.

1156665515160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1156665515160 is an abundant number, since it is smaller than the sum of its proper divisors (2313331030680).

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

1156665515160 is a wasteful number, since it uses less digits than its factorization.

1156665515160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9638879307 (or 9638879303 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 48.

The spelling of 1156665515160 in words is "one trillion, one hundred fifty-six billion, six hundred sixty-five million, five hundred fifteen thousand, one hundred sixty".