15955002179960 has 64 divisors (see below), whose sum is σ = 37817166297600. Its totient is φ = 6041465571456.

The previous prime is 15955002179959. The next prime is 15955002180041. The reversal of 15955002179960 is 6997120055951.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 15955002179960.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7065524 + ... + 9046083.

It is an arithmetic number, because the mean of its divisors is an integer number (590893223400).

Almost surely, 2^{15955002179960} is an apocalyptic number.

15955002179960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15955002179960 is an abundant number, since it is smaller than the sum of its proper divisors (21862164117640).

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

15955002179960 is a wasteful number, since it uses less digits than its factorization.

15955002179960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16112940 (or 16112936 counting only the distinct ones).

The product of its (nonzero) digits is 7654500, while the sum is 59.

The spelling of 15955002179960 in words is "fifteen trillion, nine hundred fifty-five billion, two million, one hundred seventy-nine thousand, nine hundred sixty".