15959311680990 has 16 divisors (see below), whose sum is σ = 38302348034448. Its totient is φ = 4255816448256.

The previous prime is 15959311680979. The next prime is 15959311681057. The reversal of 15959311680990 is 9908611395951.

15959311680990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265988527987 + ... + 265988528046.

It is an arithmetic number, because the mean of its divisors is an integer number (2393896752153).

Almost surely, 2^{15959311680990} is an apocalyptic number.

15959311680990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15959311680990 is an abundant number, since it is smaller than the sum of its proper divisors (22343036353458).

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

15959311680990 is a wasteful number, since it uses less digits than its factorization.

15959311680990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531977056043.

The product of its (nonzero) digits is 23619600, while the sum is 66.

The spelling of 15959311680990 in words is "fifteen trillion, nine hundred fifty-nine billion, three hundred eleven million, six hundred eighty thousand, nine hundred ninety".