118483615997 has 4 divisors (see below), whose sum is σ = 118484306940. Its totient is φ = 118482925056.

The previous prime is 118483615889. The next prime is 118483616039. The reversal of 118483615997 is 799516384811.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 97251046201 + 21232569796 = 311851^2 + 145714^2 .

It is a cyclic number.

It is not a de Polignac number, because 118483615997 - 2¹⁸ = 118483353853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118483615097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128579 + ... + 503487.

It is an arithmetic number, because the mean of its divisors is an integer number (29621076735).

Almost surely, 2^118483615997 is an apocalyptic number.

It is an amenable number.

118483615997 is a deficient number, since it is larger than the sum of its proper divisors (690943).

118483615997 is an equidigital number, since it uses as much as digits as its factorization.

118483615997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690942.

The product of its digits is 13063680, while the sum is 62.

The spelling of 118483615997 in words is "one hundred eighteen billion, four hundred eighty-three million, six hundred fifteen thousand, nine hundred ninety-seven".