1153118856 has 16 divisors (see below), whose sum is σ = 2882797200. Its totient is φ = 384372944.

The previous prime is 1153118779. The next prime is 1153118903. The reversal of 1153118856 is 6588113511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24023286 + ... + 24023333.

It is an arithmetic number, because the mean of its divisors is an integer number (180174825).

Almost surely, 2^1153118856 is an apocalyptic number.

It is an amenable number.

1153118856 is an abundant number, since it is smaller than the sum of its proper divisors (1729678344).

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

1153118856 is a wasteful number, since it uses less digits than its factorization.

1153118856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48046628 (or 48046624 counting only the distinct ones).

The product of its digits is 28800, while the sum is 39.

The square root of 1153118856 is about 33957.6038023886. The cubic root of 1153118856 is about 1048.6358266020.

The spelling of 1153118856 in words is "one billion, one hundred fifty-three million, one hundred eighteen thousand, eight hundred fifty-six".