12559815983 has 64 divisors (see below), whose sum is σ = 15410304000. Its totient is φ = 10086543360.

The previous prime is 12559815973. The next prime is 12559815991. The reversal of 12559815983 is 38951895521.

It is a cyclic number.

It is not a de Polignac number, because 12559815983 - 2²⁰ = 12558767407 is a prime.

Its product of digits (3888000) is a multiple of the sum of its prime divisors (432).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12559815923) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84293993 + ... + 84294141.

It is an arithmetic number, because the mean of its divisors is an integer number (240786000).

Almost surely, 2^12559815983 is an apocalyptic number.

12559815983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12559815983 is a deficient number, since it is larger than the sum of its proper divisors (2850488017).

12559815983 is a wasteful number, since it uses less digits than its factorization.

12559815983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its digits is 3888000, while the sum is 56.

The spelling of 12559815983 in words is "twelve billion, five hundred fifty-nine million, eight hundred fifteen thousand, nine hundred eighty-three".