115131335166637 has 2 divisors, whose sum is σ = 115131335166638. Its totient is φ = 115131335166636.

The previous prime is 115131335166619. The next prime is 115131335166643. The reversal of 115131335166637 is 736661533131511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85645881304036 + 29485453862601 = 9254506^2 + 5430051^2 .

It is a cyclic number.

It is not a de Polignac number, because 115131335166637 - 2⁷ = 115131335166509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115131335166667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57565667583318 + 57565667583319.

It is an arithmetic number, because the mean of its divisors is an integer number (57565667583319).

Almost surely, 2^{115131335166637} is an apocalyptic number.

It is an amenable number.

115131335166637 is a deficient number, since it is larger than the sum of its proper divisors (1).

115131335166637 is an equidigital number, since it uses as much as digits as its factorization.

115131335166637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3061800, while the sum is 52.

The spelling of 115131335166637 in words is "one hundred fifteen trillion, one hundred thirty-one billion, three hundred thirty-five million, one hundred sixty-six thousand, six hundred thirty-seven".