15374138512 has 20 divisors (see below), whose sum is σ = 30748278016. Its totient is φ = 7439099040.

The previous prime is 15374138473. The next prime is 15374138579. The reversal of 15374138512 is 21583147351.

15374138512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

15374138512 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 15497628 + ... + 15498619.

Almost surely, 2^15374138512 is an apocalyptic number.

It is an amenable number.

15374138512 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

15374138512 is a wasteful number, since it uses less digits than its factorization.

15374138512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30996286 (or 30996280 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The spelling of 15374138512 in words is "fifteen billion, three hundred seventy-four million, one hundred thirty-eight thousand, five hundred twelve".