15120149572 has 48 divisors (see below), whose sum is σ = 29888611200. Its totient is φ = 6629692160.

The previous prime is 15120149533. The next prime is 15120149581. The reversal of 15120149572 is 27594102151.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1555704 + ... + 1565392.

It is an arithmetic number, because the mean of its divisors is an integer number (622679400).

Almost surely, 2^15120149572 is an apocalyptic number.

It is an amenable number.

15120149572 is a deficient number, since it is larger than the sum of its proper divisors (14768461628).

15120149572 is a wasteful number, since it uses less digits than its factorization.

15120149572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10956 (or 10954 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 15120149572 in words is "fifteen billion, one hundred twenty million, one hundred forty-nine thousand, five hundred seventy-two".