11975915912 has 32 divisors (see below), whose sum is σ = 22827225600. Its totient is φ = 5889072000.

The previous prime is 11975915909. The next prime is 11975915921. The reversal of 11975915912 is 21951957911.

11975915912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206537 + ... + 258087.

It is an arithmetic number, because the mean of its divisors is an integer number (713350800).

Almost surely, 2^11975915912 is an apocalyptic number.

It is an amenable number.

11975915912 is a deficient number, since it is larger than the sum of its proper divisors (10851309688).

11975915912 is a wasteful number, since it uses less digits than its factorization.

11975915912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52037 (or 52033 counting only the distinct ones).

The product of its digits is 255150, while the sum is 50.

The spelling of 11975915912 in words is "eleven billion, nine hundred seventy-five million, nine hundred fifteen thousand, nine hundred twelve".