12617373105559 has 2 divisors, whose sum is σ = 12617373105560. Its totient is φ = 12617373105558.

The previous prime is 12617373105503. The next prime is 12617373105581. The reversal of 12617373105559 is 95550137371621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12617373105559 - 2²³ = 12617364716951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12617373135559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6308686552779 + 6308686552780.

It is an arithmetic number, because the mean of its divisors is an integer number (6308686552780).

Almost surely, 2^{12617373105559} is an apocalyptic number.

12617373105559 is a deficient number, since it is larger than the sum of its proper divisors (1).

12617373105559 is an equidigital number, since it uses as much as digits as its factorization.

12617373105559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5953500, while the sum is 55.

The spelling of 12617373105559 in words is "twelve trillion, six hundred seventeen billion, three hundred seventy-three million, one hundred five thousand, five hundred fifty-nine".