12815613580983 has 16 divisors (see below), whose sum is σ = 17293054598400. Its totient is φ = 8441257579776.

The previous prime is 12815613580967. The next prime is 12815613581009. The reversal of 12815613580983 is 38908531651821.

It is not a de Polignac number, because 12815613580983 - 2⁴ = 12815613580967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12815613580933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37341883 + ... + 37683516.

It is an arithmetic number, because the mean of its divisors is an integer number (1080815912400).

Almost surely, 2^{12815613580983} is an apocalyptic number.

12815613580983 is a deficient number, since it is larger than the sum of its proper divisors (4477441017417).

12815613580983 is an equidigital number, since it uses as much as digits as its factorization.

12815613580983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75026086.

The product of its (nonzero) digits is 12441600, while the sum is 60.

The spelling of 12815613580983 in words is "twelve trillion, eight hundred fifteen billion, six hundred thirteen million, five hundred eighty thousand, nine hundred eighty-three".