11904340986 has 16 divisors (see below), whose sum is σ = 26454091200. Its totient is φ = 3968113644.

The previous prime is 11904340957. The next prime is 11904341027. The reversal of 11904340986 is 68904340911.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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, 110225326 + ... + 110225433.

It is an arithmetic number, because the mean of its divisors is an integer number (1653380700).

Almost surely, 2^11904340986 is an apocalyptic number.

11904340986 is an abundant number, since it is smaller than the sum of its proper divisors (14549750214).

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

11904340986 is a wasteful number, since it uses less digits than its factorization.

11904340986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220450770 (or 220450764 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 11904340986 in words is "eleven billion, nine hundred four million, three hundred forty thousand, nine hundred eighty-six".