115261117 has 2 divisors, whose sum is σ = 115261118. Its totient is φ = 115261116.

The previous prime is 115261067. The next prime is 115261177. The reversal of 115261117 is 711162511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93489561 + 21771556 = 9669^2 + 4666^2 .

It is an emirp because it is prime and its reverse (711162511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115261117 - 2⁷ = 115260989 is a prime.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 115261091 and 115261100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115261177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57630558 + 57630559.

It is an arithmetic number, because the mean of its divisors is an integer number (57630559).

Almost surely, 2^115261117 is an apocalyptic number.

It is an amenable number.

115261117 is a deficient number, since it is larger than the sum of its proper divisors (1).

115261117 is an equidigital number, since it uses as much as digits as its factorization.

115261117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420, while the sum is 25.

The square root of 115261117 is about 10735.9730346159. The cubic root of 115261117 is about 486.6621921046.

The spelling of 115261117 in words is "one hundred fifteen million, two hundred sixty-one thousand, one hundred seventeen".