11856908904 has 32 divisors (see below), whose sum is σ = 29806052640. Its totient is φ = 3930465600.

The previous prime is 11856908867. The next prime is 11856908909. The reversal of 11856908904 is 40980965811.

It is not an unprimeable number, because it can be changed into a prime (11856908909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360402 + ... + 1369089.

It is an arithmetic number, because the mean of its divisors is an integer number (931439145).

Almost surely, 2^11856908904 is an apocalyptic number.

It is an amenable number.

11856908904 is an abundant number, since it is smaller than the sum of its proper divisors (17949143736).

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

11856908904 is a wasteful number, since it uses less digits than its factorization.

11856908904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729681 (or 2729677 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 51.

The spelling of 11856908904 in words is "eleven billion, eight hundred fifty-six million, nine hundred eight thousand, nine hundred four".