12631253563 has 2 divisors, whose sum is σ = 12631253564. Its totient is φ = 12631253562.

The previous prime is 12631253527. The next prime is 12631253581. The reversal of 12631253563 is 36535213621.

12631253563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12631253563 is a prime.

It is not a weakly prime, because it can be changed into another prime (12631253263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6315626781 + 6315626782.

It is an arithmetic number, because the mean of its divisors is an integer number (6315626782).

Almost surely, 2^12631253563 is an apocalyptic number.

12631253563 is a deficient number, since it is larger than the sum of its proper divisors (1).

12631253563 is an equidigital number, since it uses as much as digits as its factorization.

12631253563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 37.

The spelling of 12631253563 in words is "twelve billion, six hundred thirty-one million, two hundred fifty-three thousand, five hundred sixty-three".