118555417 has 2 divisors, whose sum is σ = 118555418. Its totient is φ = 118555416.

The previous prime is 118555357. The next prime is 118555447. The reversal of 118555417 is 714555811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94945536 + 23609881 = 9744^2 + 4859^2 .

It is a cyclic number.

It is not a de Polignac number, because 118555417 - 2¹⁹ = 118031129 is a prime.

It is not a weakly prime, because it can be changed into another prime (118555447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59277708 + 59277709.

It is an arithmetic number, because the mean of its divisors is an integer number (59277709).

Almost surely, 2^118555417 is an apocalyptic number.

It is an amenable number.

118555417 is a deficient number, since it is larger than the sum of its proper divisors (1).

118555417 is an equidigital number, since it uses as much as digits as its factorization.

118555417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28000, while the sum is 37.

The square root of 118555417 is about 10888.3156181294. The cubic root of 118555417 is about 491.2551702175.

The spelling of 118555417 in words is "one hundred eighteen million, five hundred fifty-five thousand, four hundred seventeen".