12590137056 has 96 divisors (see below), whose sum is σ = 37949845248. Its totient is φ = 3580093440.

The previous prime is 12590137039. The next prime is 12590137081. The reversal of 12590137056 is 65073109521.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

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, 97396 + ... + 186188.

It is an arithmetic number, because the mean of its divisors is an integer number (395310888).

Almost surely, 2^12590137056 is an apocalyptic number.

12590137056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12590137056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18974922624).

12590137056 is an abundant number, since it is smaller than the sum of its proper divisors (25359708192).

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

12590137056 is a wasteful number, since it uses less digits than its factorization.

12590137056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89024 (or 89016 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The spelling of 12590137056 in words is "twelve billion, five hundred ninety million, one hundred thirty-seven thousand, fifty-six".