118818988197 has 32 divisors (see below), whose sum is σ = 201274859520. Its totient is φ = 60652013760.

The previous prime is 118818988157. The next prime is 118818988207. The reversal of 118818988197 is 791889818811.

It is not a de Polignac number, because 118818988197 - 2⁶ = 118818988133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118818988147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7011447 + ... + 7028372.

It is an arithmetic number, because the mean of its divisors is an integer number (6289839360).

Almost surely, 2^118818988197 is an apocalyptic number.

It is an amenable number.

118818988197 is a deficient number, since it is larger than the sum of its proper divisors (82455871323).

118818988197 is a wasteful number, since it uses less digits than its factorization.

118818988197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14039873.

The product of its digits is 18579456, while the sum is 69.

The spelling of 118818988197 in words is "one hundred eighteen billion, eight hundred eighteen million, nine hundred eighty-eight thousand, one hundred ninety-seven".