12931160887 has 2 divisors, whose sum is σ = 12931160888. Its totient is φ = 12931160886.

The previous prime is 12931160873. The next prime is 12931160909. The reversal of 12931160887 is 78806113921.

It is a happy number.

12931160887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12931160887 - 2²³ = 12922772279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12931160287) 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, 6465580443 + 6465580444.

It is an arithmetic number, because the mean of its divisors is an integer number (6465580444).

Almost surely, 2^12931160887 is an apocalyptic number.

12931160887 is a deficient number, since it is larger than the sum of its proper divisors (1).

12931160887 is an equidigital number, since it uses as much as digits as its factorization.

12931160887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 12931160887 in words is "twelve billion, nine hundred thirty-one million, one hundred sixty thousand, eight hundred eighty-seven".