15225115532 has 48 divisors (see below), whose sum is σ = 29231006112. Its totient is φ = 6881364480.

The previous prime is 15225115513. The next prime is 15225115547. The reversal of 15225115532 is 23551152251.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7957808 + ... + 7959720.

It is an arithmetic number, because the mean of its divisors is an integer number (608979294).

Almost surely, 2^15225115532 is an apocalyptic number.

It is an amenable number.

15225115532 is a deficient number, since it is larger than the sum of its proper divisors (14005890580).

15225115532 is a wasteful number, since it uses less digits than its factorization.

15225115532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858 (or 2856 counting only the distinct ones).

The product of its digits is 15000, while the sum is 32.

Adding to 15225115532 its reverse (23551152251), we get a palindrome (38776267783).

The spelling of 15225115532 in words is "fifteen billion, two hundred twenty-five million, one hundred fifteen thousand, five hundred thirty-two".