118115113 has 2 divisors, whose sum is σ = 118115114. Its totient is φ = 118115112.

The previous prime is 118115083. The next prime is 118115117. The reversal of 118115113 is 311511811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108430569 + 9684544 = 10413^2 + 3112^2 .

It is a cyclic number.

It is not a de Polignac number, because 118115113 - 2²⁵ = 84560681 is a prime.

It is not a weakly prime, because it can be changed into another prime (118115117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59057556 + 59057557.

It is an arithmetic number, because the mean of its divisors is an integer number (59057557).

Almost surely, 2^118115113 is an apocalyptic number.

It is an amenable number.

118115113 is a deficient number, since it is larger than the sum of its proper divisors (1).

118115113 is an equidigital number, since it uses as much as digits as its factorization.

118115113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120, while the sum is 22.

The square root of 118115113 is about 10868.0777049118. The cubic root of 118115113 is about 490.6462568204.

Adding to 118115113 its reverse (311511811), we get a palindrome (429626924).

The spelling of 118115113 in words is "one hundred eighteen million, one hundred fifteen thousand, one hundred thirteen".