118835942497 has 2 divisors, whose sum is σ = 118835942498. Its totient is φ = 118835942496.

The previous prime is 118835942371. The next prime is 118835942521. The reversal of 118835942497 is 794249538811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111642188641 + 7193753856 = 334129^2 + 84816^2 .

It is a cyclic number.

It is not a de Polignac number, because 118835942497 - 2²⁷ = 118701724769 is a prime.

It is not a weakly prime, because it can be changed into another prime (118835943497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59417971248 + 59417971249.

It is an arithmetic number, because the mean of its divisors is an integer number (59417971249).

Almost surely, 2^118835942497 is an apocalyptic number.

It is an amenable number.

118835942497 is a deficient number, since it is larger than the sum of its proper divisors (1).

118835942497 is an equidigital number, since it uses as much as digits as its factorization.

118835942497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17418240, while the sum is 61.

The spelling of 118835942497 in words is "one hundred eighteen billion, eight hundred thirty-five million, nine hundred forty-two thousand, four hundred ninety-seven".