12663501256807 has 2 divisors, whose sum is σ = 12663501256808. Its totient is φ = 12663501256806.

The previous prime is 12663501256787. The next prime is 12663501256811. The reversal of 12663501256807 is 70865210536621.

It is a strong prime.

It is an emirp because it is prime and its reverse (70865210536621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12663501256807 - 2²³ = 12663492868199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12663501256207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6331750628403 + 6331750628404.

It is an arithmetic number, because the mean of its divisors is an integer number (6331750628404).

Almost surely, 2^{12663501256807} is an apocalyptic number.

12663501256807 is a deficient number, since it is larger than the sum of its proper divisors (1).

12663501256807 is an equidigital number, since it uses as much as digits as its factorization.

12663501256807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 12663501256807 in words is "twelve trillion, six hundred sixty-three billion, five hundred one million, two hundred fifty-six thousand, eight hundred seven".