15516899130 has 32 divisors (see below), whose sum is σ = 38032913664. Its totient is φ = 4049800256.

The previous prime is 15516899077. The next prime is 15516899173. The reversal of 15516899130 is 3199861551.

It is a super-2 number, since 2×15516899130² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15516899130.

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, 5501037 + ... + 5503856.

It is an arithmetic number, because the mean of its divisors is an integer number (1188528552).

Almost surely, 2^15516899130 is an apocalyptic number.

15516899130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15516899130 is an abundant number, since it is smaller than the sum of its proper divisors (22516014534).

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

15516899130 is a wasteful number, since it uses less digits than its factorization.

15516899130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11004950.

The product of its (nonzero) digits is 291600, while the sum is 48.

The spelling of 15516899130 in words is "fifteen billion, five hundred sixteen million, eight hundred ninety-nine thousand, one hundred thirty".