118715617 has 2 divisors, whose sum is σ = 118715618. Its totient is φ = 118715616.

The previous prime is 118715609. The next prime is 118715677. The reversal of 118715617 is 716517811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85951441 + 32764176 = 9271^2 + 5724^2 .

It is a cyclic number.

It is not a de Polignac number, because 118715617 - 2³ = 118715609 is a prime.

It is not a weakly prime, because it can be changed into another prime (118715677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59357808 + 59357809.

It is an arithmetic number, because the mean of its divisors is an integer number (59357809).

Almost surely, 2^118715617 is an apocalyptic number.

It is an amenable number.

118715617 is a deficient number, since it is larger than the sum of its proper divisors (1).

118715617 is an equidigital number, since it uses as much as digits as its factorization.

118715617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 37.

The square root of 118715617 is about 10895.6696444046. The cubic root of 118715617 is about 491.4763428951.

The spelling of 118715617 in words is "one hundred eighteen million, seven hundred fifteen thousand, six hundred seventeen".