118238503899 has 4 divisors (see below), whose sum is σ = 157651338536. Its totient is φ = 78825669264.

The previous prime is 118238503883. The next prime is 118238503913. The reversal of 118238503899 is 998305832811.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 118238503899 - 2⁴ = 118238503883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118238503099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19706417314 + ... + 19706417319.

It is an arithmetic number, because the mean of its divisors is an integer number (39412834634).

Almost surely, 2^118238503899 is an apocalyptic number.

118238503899 is a deficient number, since it is larger than the sum of its proper divisors (39412834637).

118238503899 is an equidigital number, since it uses as much as digits as its factorization.

118238503899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39412834636.

The product of its (nonzero) digits is 3732480, while the sum is 57.

The spelling of 118238503899 in words is "one hundred eighteen billion, two hundred thirty-eight million, five hundred three thousand, eight hundred ninety-nine".