15204253132 has 12 divisors (see below), whose sum is σ = 27764288496. Its totient is φ = 7271599280.

The previous prime is 15204253049. The next prime is 15204253133. The reversal of 15204253132 is 23135240251.

It is a self number, because there is not a number n which added to its sum of digits gives 15204253132.

It is not an unprimeable number, because it can be changed into a prime (15204253133) 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, 82631719 + ... + 82631902.

It is an arithmetic number, because the mean of its divisors is an integer number (2313690708).

Almost surely, 2^15204253132 is an apocalyptic number.

It is an amenable number.

15204253132 is a deficient number, since it is larger than the sum of its proper divisors (12560035364).

15204253132 is a wasteful number, since it uses less digits than its factorization.

15204253132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165263648 (or 165263646 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 15204253132 its reverse (23135240251), we get a palindrome (38339493383).

The spelling of 15204253132 in words is "fifteen billion, two hundred four million, two hundred fifty-three thousand, one hundred thirty-two".