118611617 has 2 divisors, whose sum is σ = 118611618. Its totient is φ = 118611616.

The previous prime is 118611613. The next prime is 118611643. The reversal of 118611617 is 716116811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68541841 + 50069776 = 8279^2 + 7076^2 .

It is a cyclic number.

It is not a de Polignac number, because 118611617 - 2² = 118611613 is a prime.

It is not a weakly prime, because it can be changed into another prime (118611613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59305808 + 59305809.

It is an arithmetic number, because the mean of its divisors is an integer number (59305809).

Almost surely, 2^118611617 is an apocalyptic number.

It is an amenable number.

118611617 is a deficient number, since it is larger than the sum of its proper divisors (1).

118611617 is an equidigital number, since it uses as much as digits as its factorization.

118611617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 32.

The square root of 118611617 is about 10890.8960604718. The cubic root of 118611617 is about 491.3327828083.

The spelling of 118611617 in words is "one hundred eighteen million, six hundred eleven thousand, six hundred seventeen".