15131613315163 has 2 divisors, whose sum is σ = 15131613315164. Its totient is φ = 15131613315162.

The previous prime is 15131613315109. The next prime is 15131613315167. The reversal of 15131613315163 is 36151331613151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15131613315163 - 2⁹ = 15131613314651 is a prime.

It is not a weakly prime, because it can be changed into another prime (15131613315167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7565806657581 + 7565806657582.

It is an arithmetic number, because the mean of its divisors is an integer number (7565806657582).

Almost surely, 2^{15131613315163} is an apocalyptic number.

15131613315163 is a deficient number, since it is larger than the sum of its proper divisors (1).

15131613315163 is an equidigital number, since it uses as much as digits as its factorization.

15131613315163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72900, while the sum is 40.

The spelling of 15131613315163 in words is "fifteen trillion, one hundred thirty-one billion, six hundred thirteen million, three hundred fifteen thousand, one hundred sixty-three".