15145371912 has 64 divisors (see below), whose sum is σ = 42421953600. Its totient is φ = 4465463040.

The previous prime is 15145371907. The next prime is 15145371929. The reversal of 15145371912 is 21917354151.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765487 + ... + 785022.

It is an arithmetic number, because the mean of its divisors is an integer number (662843025).

Almost surely, 2^15145371912 is an apocalyptic number.

15145371912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15145371912 is an abundant number, since it is smaller than the sum of its proper divisors (27276581688).

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

15145371912 is a wasteful number, since it uses less digits than its factorization.

15145371912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550566 (or 1550562 counting only the distinct ones).

The product of its digits is 37800, while the sum is 39.

The spelling of 15145371912 in words is "fifteen billion, one hundred forty-five million, three hundred seventy-one thousand, nine hundred twelve".