15157785952 has 48 divisors (see below), whose sum is σ = 31429944000. Its totient is φ = 7176021120.

The previous prime is 15157785883. The next prime is 15157785983. The reversal of 15157785952 is 25958775151.

It is a junction number, because it is equal to n+sod(n) for n = 15157785893 and 15157785902.

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, 1289799 + ... + 1301497.

It is an arithmetic number, because the mean of its divisors is an integer number (654790500).

Almost surely, 2^15157785952 is an apocalyptic number.

It is an amenable number.

15157785952 is an abundant number, since it is smaller than the sum of its proper divisors (16272158048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15157785952 is a wasteful number, since it uses less digits than its factorization.

15157785952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13859 (or 13851 counting only the distinct ones).

The product of its digits is 4410000, while the sum is 55.

The spelling of 15157785952 in words is "fifteen billion, one hundred fifty-seven million, seven hundred eighty-five thousand, nine hundred fifty-two".