12631443775 has 12 divisors (see below), whose sum is σ = 15750498600. Its totient is φ = 10048698080.

The previous prime is 12631443743. The next prime is 12631443779. The reversal of 12631443775 is 57734413621.

It is not a de Polignac number, because 12631443775 - 2⁵ = 12631443743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631443779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1406860 + ... + 1415809.

It is an arithmetic number, because the mean of its divisors is an integer number (1312541550).

Almost surely, 2^12631443775 is an apocalyptic number.

12631443775 is a deficient number, since it is larger than the sum of its proper divisors (3119054825).

12631443775 is a wasteful number, since it uses less digits than its factorization.

12631443775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822858 (or 2822853 counting only the distinct ones).

The product of its digits is 423360, while the sum is 43.

The spelling of 12631443775 in words is "twelve billion, six hundred thirty-one million, four hundred forty-three thousand, seven hundred seventy-five".