15557130080 has 96 divisors (see below), whose sum is σ = 40370400000. Its totient is φ = 5638989312.

The previous prime is 15557130079. The next prime is 15557130109. The reversal of 15557130080 is 8003175551.

It is a self number, because there is not a number n which added to its sum of digits gives 15557130080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41330 + ... + 181169.

It is an arithmetic number, because the mean of its divisors is an integer number (420525000).

Almost surely, 2^15557130080 is an apocalyptic number.

15557130080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15557130080 is an abundant number, since it is smaller than the sum of its proper divisors (24813269920).

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

15557130080 is a wasteful number, since it uses less digits than its factorization.

15557130080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222556 (or 222548 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 35.

The spelling of 15557130080 in words is "fifteen billion, five hundred fifty-seven million, one hundred thirty thousand, eighty".