12563812513327 has 2 divisors, whose sum is σ = 12563812513328. Its totient is φ = 12563812513326.

The previous prime is 12563812513223. The next prime is 12563812513331. The reversal of 12563812513327 is 72331521836521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12563812513327 - 2¹⁵ = 12563812480559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12563812513397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6281906256663 + 6281906256664.

It is an arithmetic number, because the mean of its divisors is an integer number (6281906256664).

Almost surely, 2^{12563812513327} is an apocalyptic number.

12563812513327 is a deficient number, since it is larger than the sum of its proper divisors (1).

12563812513327 is an equidigital number, since it uses as much as digits as its factorization.

12563812513327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 49.

The spelling of 12563812513327 in words is "twelve trillion, five hundred sixty-three billion, eight hundred twelve million, five hundred thirteen thousand, three hundred twenty-seven".