15250552552 has 16 divisors (see below), whose sum is σ = 29367618660. Its totient is φ = 7419187584.

The previous prime is 15250552511. The next prime is 15250552571. The reversal of 15250552552 is 25525505251.

It can be written as a sum of positive squares in 2 ways, for example, as 14143393476 + 1107159076 = 118926^2 + 33274^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25760773 + ... + 25761364.

Almost surely, 2^15250552552 is an apocalyptic number.

It is an amenable number.

15250552552 is a deficient number, since it is larger than the sum of its proper divisors (14117066108).

15250552552 is a wasteful number, since it uses less digits than its factorization.

15250552552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51522180 (or 51522176 counting only the distinct ones).

The product of its (nonzero) digits is 125000, while the sum is 37.

The spelling of 15250552552 in words is "fifteen billion, two hundred fifty million, five hundred fifty-two thousand, five hundred fifty-two".