11810916418 has 32 divisors (see below), whose sum is σ = 20710785024. Its totient is φ = 4946287632.

The previous prime is 11810916347. The next prime is 11810916427. The reversal of 11810916418 is 81461901811.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411855 + ... + 439597.

It is an arithmetic number, because the mean of its divisors is an integer number (647212032).

Almost surely, 2^11810916418 is an apocalyptic number.

11810916418 is a deficient number, since it is larger than the sum of its proper divisors (8899868606).

11810916418 is a wasteful number, since it uses less digits than its factorization.

11810916418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28446.

The product of its (nonzero) digits is 13824, while the sum is 40.

The spelling of 11810916418 in words is "eleven billion, eight hundred ten million, nine hundred sixteen thousand, four hundred eighteen".