12415615545239 has 2 divisors, whose sum is σ = 12415615545240. Its totient is φ = 12415615545238.

The previous prime is 12415615545161. The next prime is 12415615545241. The reversal of 12415615545239 is 93254551651421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12415615545239 - 2²⁸ = 12415347109783 is a prime.

It is a super-2 number, since 2×12415615545239² (a number of 27 digits) contains 22 as substring.

Together with 12415615545241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12415615544239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6207807772619 + 6207807772620.

It is an arithmetic number, because the mean of its divisors is an integer number (6207807772620).

Almost surely, 2^{12415615545239} is an apocalyptic number.

12415615545239 is a deficient number, since it is larger than the sum of its proper divisors (1).

12415615545239 is an equidigital number, since it uses as much as digits as its factorization.

12415615545239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480000, while the sum is 53.

The spelling of 12415615545239 in words is "twelve trillion, four hundred fifteen billion, six hundred fifteen million, five hundred forty-five thousand, two hundred thirty-nine".