115122617581613 has 2 divisors, whose sum is σ = 115122617581614. Its totient is φ = 115122617581612.

The previous prime is 115122617581597. The next prime is 115122617581619. The reversal of 115122617581613 is 316185716221511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67776410765449 + 47346206816164 = 8232643^2 + 6880858^2 .

It is a cyclic number.

It is not a de Polignac number, because 115122617581613 - 2⁴ = 115122617581597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115122617581619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57561308790806 + 57561308790807.

It is an arithmetic number, because the mean of its divisors is an integer number (57561308790807).

Almost surely, 2^{115122617581613} is an apocalyptic number.

It is an amenable number.

115122617581613 is a deficient number, since it is larger than the sum of its proper divisors (1).

115122617581613 is an equidigital number, since it uses as much as digits as its factorization.

115122617581613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 50.

The spelling of 115122617581613 in words is "one hundred fifteen trillion, one hundred twenty-two billion, six hundred seventeen million, five hundred eighty-one thousand, six hundred thirteen".