15598972992 has 28 divisors (see below), whose sum is σ = 41272283216. Its totient is φ = 5199657600.

The previous prime is 15598972973. The next prime is 15598973011. The reversal of 15598972992 is 29927989551.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (15598972973) and next prime (15598973011).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40622134 + ... + 40622517.

Almost surely, 2^15598972992 is an apocalyptic number.

15598972992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15598972992 is an abundant number, since it is smaller than the sum of its proper divisors (25673310224).

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

15598972992 is an equidigital number, since it uses as much as digits as its factorization.

15598972992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81244666 (or 81244656 counting only the distinct ones).

The product of its digits is 36741600, while the sum is 66.

The spelling of 15598972992 in words is "fifteen billion, five hundred ninety-eight million, nine hundred seventy-two thousand, nine hundred ninety-two".