15331004252 has 12 divisors (see below), whose sum is σ = 27066685296. Its totient is φ = 7597665600.

The previous prime is 15331004239. The next prime is 15331004257. The reversal of 15331004252 is 25240013351.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15331004257) 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, 16958624 + ... + 16959527.

It is an arithmetic number, because the mean of its divisors is an integer number (2255557108).

Almost surely, 2^15331004252 is an apocalyptic number.

It is an amenable number.

15331004252 is a deficient number, since it is larger than the sum of its proper divisors (11735681044).

15331004252 is a wasteful number, since it uses less digits than its factorization.

15331004252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33918268 (or 33918266 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Subtracting 15331004252 from its reverse (25240013351), we obtain a palindrome (9909009099).

The spelling of 15331004252 in words is "fifteen billion, three hundred thirty-one million, four thousand, two hundred fifty-two".