1156304100856 has 16 divisors (see below), whose sum is σ = 2168523168840. Its totient is φ = 578031255840.

The previous prime is 1156304100851. The next prime is 1156304100863. The reversal of 1156304100856 is 6580014036511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156304100851) 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, 15058635 + ... + 15135226.

Almost surely, 2^{1156304100856} is an apocalyptic number.

It is an amenable number.

1156304100856 is a deficient number, since it is larger than the sum of its proper divisors (1012219067984).

1156304100856 is a wasteful number, since it uses less digits than its factorization.

1156304100856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30198654 (or 30198650 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 1156304100856 in words is "one trillion, one hundred fifty-six billion, three hundred four million, one hundred thousand, eight hundred fifty-six".