12631253527 has 2 divisors, whose sum is σ = 12631253528. Its totient is φ = 12631253526.

The previous prime is 12631253519. The next prime is 12631253563. The reversal of 12631253527 is 72535213621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12631253527 - 2³ = 12631253519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12631253507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6315626763 + 6315626764.

It is an arithmetic number, because the mean of its divisors is an integer number (6315626764).

Almost surely, 2^12631253527 is an apocalyptic number.

12631253527 is a deficient number, since it is larger than the sum of its proper divisors (1).

12631253527 is an equidigital number, since it uses as much as digits as its factorization.

12631253527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The spelling of 12631253527 in words is "twelve billion, six hundred thirty-one million, two hundred fifty-three thousand, five hundred twenty-seven".