15975073312 has 24 divisors (see below), whose sum is σ = 34310101392. Its totient is φ = 7261396800.

The previous prime is 15975073291. The next prime is 15975073337. The reversal of 15975073312 is 21337057951.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22691514 + ... + 22692217.

It is an arithmetic number, because the mean of its divisors is an integer number (1429587558).

Almost surely, 2^15975073312 is an apocalyptic number.

It is an amenable number.

15975073312 is an abundant number, since it is smaller than the sum of its proper divisors (18335028080).

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

15975073312 is a wasteful number, since it uses less digits than its factorization.

15975073312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45383752 (or 45383744 counting only the distinct ones).

The product of its (nonzero) digits is 198450, while the sum is 43.

The spelling of 15975073312 in words is "fifteen billion, nine hundred seventy-five million, seventy-three thousand, three hundred twelve".