12426585563 has 6 divisors (see below), whose sum is σ = 14455415916. Its totient is φ = 10651359012.

The previous prime is 12426585553. The next prime is 12426585581. The reversal of 12426585563 is 36558562421.

It is not a de Polignac number, because 12426585563 - 2⁶ = 12426585499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12426585503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126801845 + ... + 126801942.

It is an arithmetic number, because the mean of its divisors is an integer number (2409235986).

Almost surely, 2^12426585563 is an apocalyptic number.

12426585563 is a deficient number, since it is larger than the sum of its proper divisors (2028830353).

12426585563 is an equidigital number, since it uses as much as digits as its factorization.

12426585563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253603801 (or 253603794 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 47.

The spelling of 12426585563 in words is "twelve billion, four hundred twenty-six million, five hundred eighty-five thousand, five hundred sixty-three".