15532864252 has 24 divisors (see below), whose sum is σ = 28383761952. Its totient is φ = 7423680000.

The previous prime is 15532864201. The next prime is 15532864253. The reversal of 15532864252 is 25246823551.

It is a junction number, because it is equal to n+sod(n) for n = 15532864199 and 15532864208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15532864253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79252 + ... + 193252.

It is an arithmetic number, because the mean of its divisors is an integer number (1182656748).

Almost surely, 2^15532864252 is an apocalyptic number.

It is an amenable number.

15532864252 is a deficient number, since it is larger than the sum of its proper divisors (12850897700).

15532864252 is a wasteful number, since it uses less digits than its factorization.

15532864252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115509 (or 115507 counting only the distinct ones).

The product of its digits is 576000, while the sum is 43.

The spelling of 15532864252 in words is "fifteen billion, five hundred thirty-two million, eight hundred sixty-four thousand, two hundred fifty-two".