15225015272 has 16 divisors (see below), whose sum is σ = 28588710240. Its totient is φ = 7601359216.

The previous prime is 15225015271. The next prime is 15225015383. The reversal of 15225015272 is 27251052251.

It is not an unprimeable number, because it can be changed into a prime (15225015271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387748 + ... + 1398675.

It is an arithmetic number, because the mean of its divisors is an integer number (1786794390).

Almost surely, 2^15225015272 is an apocalyptic number.

It is an amenable number.

15225015272 is a deficient number, since it is larger than the sum of its proper divisors (13363694968).

15225015272 is a wasteful number, since it uses less digits than its factorization.

15225015272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787112 (or 2787108 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 32.

The spelling of 15225015272 in words is "fifteen billion, two hundred twenty-five million, fifteen thousand, two hundred seventy-two".