12617136259 has 48 divisors (see below), whose sum is σ = 15931025472. Its totient is φ = 9782083584.

The previous prime is 12617136173. The next prime is 12617136277. The reversal of 12617136259 is 95263171621.

It is not a de Polignac number, because 12617136259 - 2²⁵ = 12583581827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12617136299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16666909 + ... + 16667665.

It is an arithmetic number, because the mean of its divisors is an integer number (331896364).

Almost surely, 2^12617136259 is an apocalyptic number.

12617136259 is a deficient number, since it is larger than the sum of its proper divisors (3313889213).

12617136259 is a wasteful number, since it uses less digits than its factorization.

12617136259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056 (or 1043 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The spelling of 12617136259 in words is "twelve billion, six hundred seventeen million, one hundred thirty-six thousand, two hundred fifty-nine".