118138362499 has 2 divisors, whose sum is σ = 118138362500. Its totient is φ = 118138362498.

The previous prime is 118138362449. The next prime is 118138362521. The reversal of 118138362499 is 994263831811.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118138362499 - 2⁷ = 118138362371 is a prime.

It is not a weakly prime, because it can be changed into another prime (118138362449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59069181249 + 59069181250.

It is an arithmetic number, because the mean of its divisors is an integer number (59069181250).

Almost surely, 2^118138362499 is an apocalyptic number.

118138362499 is a deficient number, since it is larger than the sum of its proper divisors (1).

118138362499 is an equidigital number, since it uses as much as digits as its factorization.

118138362499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 55.

The spelling of 118138362499 in words is "one hundred eighteen billion, one hundred thirty-eight million, three hundred sixty-two thousand, four hundred ninety-nine".