118417645919 has 2 divisors, whose sum is σ = 118417645920. Its totient is φ = 118417645918.

The previous prime is 118417645867. The next prime is 118417645933. The reversal of 118417645919 is 919546714811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118417645919 - 2⁸ = 118417645663 is a prime.

It is a super-2 number, since 2×118417645919² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118417645319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59208822959 + 59208822960.

It is an arithmetic number, because the mean of its divisors is an integer number (59208822960).

Almost surely, 2^118417645919 is an apocalyptic number.

118417645919 is a deficient number, since it is larger than the sum of its proper divisors (1).

118417645919 is an equidigital number, since it uses as much as digits as its factorization.

118417645919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 56.

The spelling of 118417645919 in words is "one hundred eighteen billion, four hundred seventeen million, six hundred forty-five thousand, nine hundred nineteen".