15532555252 has 24 divisors (see below), whose sum is σ = 28632578240. Its totient is φ = 7352389440.

The previous prime is 15532555231. The next prime is 15532555279. The reversal of 15532555252 is 25255523551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39352 + ... + 180592.

Almost surely, 2^15532555252 is an apocalyptic number.

It is an amenable number.

15532555252 is a deficient number, since it is larger than the sum of its proper divisors (13100022988).

15532555252 is a wasteful number, since it uses less digits than its factorization.

15532555252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142711 (or 142709 counting only the distinct ones).

The product of its digits is 375000, while the sum is 40.

The spelling of 15532555252 in words is "fifteen billion, five hundred thirty-two million, five hundred fifty-five thousand, two hundred fifty-two".