12591614958 has 16 divisors (see below), whose sum is σ = 27120401616. Its totient is φ = 3874343040.

The previous prime is 12591614941. The next prime is 12591614989. The reversal of 12591614958 is 85941619521.

It is a self number, because there is not a number n which added to its sum of digits gives 12591614958.

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, 80715403 + ... + 80715558.

It is an arithmetic number, because the mean of its divisors is an integer number (1695025101).

Almost surely, 2^12591614958 is an apocalyptic number.

12591614958 is an abundant number, since it is smaller than the sum of its proper divisors (14528786658).

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

12591614958 is a wasteful number, since it uses less digits than its factorization.

12591614958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161430979.

The product of its digits is 777600, while the sum is 51.

The spelling of 12591614958 in words is "twelve billion, five hundred ninety-one million, six hundred fourteen thousand, nine hundred fifty-eight".