11808915936 has 48 divisors (see below), whose sum is σ = 31719308544. Its totient is φ = 3844761984.

The previous prime is 11808915917. The next prime is 11808915941. The reversal of 11808915936 is 63951980811.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 1426216 + ... + 1434471.

It is an arithmetic number, because the mean of its divisors is an integer number (660818928).

Almost surely, 2^11808915936 is an apocalyptic number.

11808915936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11808915936 is an abundant number, since it is smaller than the sum of its proper divisors (19910392608).

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

11808915936 is a wasteful number, since it uses less digits than its factorization.

11808915936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860743 (or 2860735 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 51.

The spelling of 11808915936 in words is "eleven billion, eight hundred eight million, nine hundred fifteen thousand, nine hundred thirty-six".