15316132911173 has 2 divisors, whose sum is σ = 15316132911174. Its totient is φ = 15316132911172.

The previous prime is 15316132911067. The next prime is 15316132911179. The reversal of 15316132911173 is 37111923161351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12051888525889 + 3264244385284 = 3471583^2 + 1806722^2 .

It is a cyclic number.

It is not a de Polignac number, because 15316132911173 - 2⁸ = 15316132910917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15316132911179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7658066455586 + 7658066455587.

It is an arithmetic number, because the mean of its divisors is an integer number (7658066455587).

Almost surely, 2^{15316132911173} is an apocalyptic number.

It is an amenable number.

15316132911173 is a deficient number, since it is larger than the sum of its proper divisors (1).

15316132911173 is an equidigital number, since it uses as much as digits as its factorization.

15316132911173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 44.

The spelling of 15316132911173 in words is "fifteen trillion, three hundred sixteen billion, one hundred thirty-two million, nine hundred eleven thousand, one hundred seventy-three".