15157707552 has 480 divisors, whose sum is σ = 52005203712. Its totient is φ = 4288536576.

The previous prime is 15157707529. The next prime is 15157707563. The reversal of 15157707552 is 25570775151.

15157707552 is a `hidden beast` number, since 1 + 5 + 1 + 577 + 0 + 75 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 15157707498 and 15157707507.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 26922823 + ... + 26923385.

Almost surely, 2^15157707552 is an apocalyptic number.

15157707552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15157707552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26002601856).

15157707552 is an abundant number, since it is smaller than the sum of its proper divisors (36847496160).

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

15157707552 is a wasteful number, since it uses less digits than its factorization.

15157707552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 428750, while the sum is 45.

The spelling of 15157707552 in words is "fifteen billion, one hundred fifty-seven million, seven hundred seven thousand, five hundred fifty-two".