11555116808 has 32 divisors (see below), whose sum is σ = 21844400760. Its totient is φ = 5730140160.

The previous prime is 11555116799. The next prime is 11555116813. The reversal of 11555116808 is 80861155511.

It can be written as a sum of positive squares in 4 ways, for example, as 10322966404 + 1232150404 = 101602^2 + 35102^2 .

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, 466988 + ... + 491108.

Almost surely, 2^11555116808 is an apocalyptic number.

It is an amenable number.

11555116808 is a deficient number, since it is larger than the sum of its proper divisors (10289283952).

11555116808 is a wasteful number, since it uses less digits than its factorization.

11555116808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24617 (or 24613 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 41.

The spelling of 11555116808 in words is "eleven billion, five hundred fifty-five million, one hundred sixteen thousand, eight hundred eight".