115655117 has 2 divisors, whose sum is σ = 115655118. Its totient is φ = 115655116.

The previous prime is 115655107. The next prime is 115655153. The reversal of 115655117 is 711556511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105801796 + 9853321 = 10286^2 + 3139^2 .

It is a cyclic number.

It is not a de Polignac number, because 115655117 - 2⁴ = 115655101 is a prime.

It is a super-2 number, since 2×115655117² = 26752212176567378, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115655107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57827558 + 57827559.

It is an arithmetic number, because the mean of its divisors is an integer number (57827559).

Almost surely, 2^115655117 is an apocalyptic number.

It is an amenable number.

115655117 is a deficient number, since it is larger than the sum of its proper divisors (1).

115655117 is an equidigital number, since it uses as much as digits as its factorization.

115655117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5250, while the sum is 32.

The square root of 115655117 is about 10754.3069046778. The cubic root of 115655117 is about 487.2160846935.

The spelling of 115655117 in words is "one hundred fifteen million, six hundred fifty-five thousand, one hundred seventeen".