11810678916 has 24 divisors (see below), whose sum is σ = 27560119104. Its totient is φ = 3936626080.

The previous prime is 11810678903. The next prime is 11810678951. The reversal of 11810678916 is 61987601811.

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, 241801 + ... + 286511.

It is an arithmetic number, because the mean of its divisors is an integer number (1148338296).

Almost surely, 2^11810678916 is an apocalyptic number.

It is an amenable number.

11810678916 is an abundant number, since it is smaller than the sum of its proper divisors (15749440188).

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

11810678916 is a wasteful number, since it uses less digits than its factorization.

11810678916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66731 (or 66729 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 48.

The spelling of 11810678916 in words is "eleven billion, eight hundred ten million, six hundred seventy-eight thousand, nine hundred sixteen".