15331121552 has 20 divisors (see below), whose sum is σ = 29837256960. Its totient is φ = 7631184288.

The previous prime is 15331121551. The next prime is 15331121567. The reversal of 15331121552 is 25512113351.

It is not an unprimeable number, because it can be changed into a prime (15331121551) 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, 2144852 + ... + 2151987.

It is an arithmetic number, because the mean of its divisors is an integer number (1491862848).

Almost surely, 2^15331121552 is an apocalyptic number.

It is an amenable number.

15331121552 is a deficient number, since it is larger than the sum of its proper divisors (14506135408).

15331121552 is a wasteful number, since it uses less digits than its factorization.

15331121552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297070 (or 4297064 counting only the distinct ones).

The product of its digits is 4500, while the sum is 29.

The spelling of 15331121552 in words is "fifteen billion, three hundred thirty-one million, one hundred twenty-one thousand, five hundred fifty-two".