12563888132631 has 16 divisors (see below), whose sum is σ = 18278329200768. Its totient is φ = 7612984812000.

The previous prime is 12563888132567. The next prime is 12563888132671. The reversal of 12563888132631 is 13623188836521.

It is not a de Polignac number, because 12563888132631 - 2⁶ = 12563888132567 is a prime.

It is a super-2 number, since 2×12563888132631² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12563888132671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37150221 + ... + 37486886.

It is an arithmetic number, because the mean of its divisors is an integer number (1142395575048).

Almost surely, 2^{12563888132631} is an apocalyptic number.

12563888132631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12563888132631 is a deficient number, since it is larger than the sum of its proper divisors (5714441068137).

12563888132631 is a wasteful number, since it uses less digits than its factorization.

12563888132631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74642222.

The product of its digits is 9953280, while the sum is 57.

The spelling of 12563888132631 in words is "twelve trillion, five hundred sixty-three billion, eight hundred eighty-eight million, one hundred thirty-two thousand, six hundred thirty-one".