115156516035181 has 2 divisors, whose sum is σ = 115156516035182. Its totient is φ = 115156516035180.

The previous prime is 115156516035079. The next prime is 115156516035259. The reversal of 115156516035181 is 181530615651511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83037036601156 + 32119479434025 = 9112466^2 + 5667405^2 .

It is a cyclic number.

It is not a de Polignac number, because 115156516035181 - 2²⁷ = 115156381817453 is a prime.

It is a super-2 number, since 2×115156516035181² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115156516030181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57578258017590 + 57578258017591.

It is an arithmetic number, because the mean of its divisors is an integer number (57578258017591).

Almost surely, 2^{115156516035181} is an apocalyptic number.

It is an amenable number.

115156516035181 is a deficient number, since it is larger than the sum of its proper divisors (1).

115156516035181 is an equidigital number, since it uses as much as digits as its factorization.

115156516035181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540000, while the sum is 49.

The spelling of 115156516035181 in words is "one hundred fifteen trillion, one hundred fifty-six billion, five hundred sixteen million, thirty-five thousand, one hundred eighty-one".