118338890591 has 8 divisors (see below), whose sum is σ = 118494556800. Its totient is φ = 118183289760.

The previous prime is 118338890573. The next prime is 118338890599. The reversal of 118338890591 is 195098833811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118338890591 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 (118338890599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4351745 + ... + 4378853.

It is an arithmetic number, because the mean of its divisors is an integer number (14811819600).

Almost surely, 2^118338890591 is an apocalyptic number.

118338890591 is a deficient number, since it is larger than the sum of its proper divisors (155666209).

118338890591 is an equidigital number, since it uses as much as digits as its factorization.

118338890591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32689.

The product of its (nonzero) digits is 1866240, while the sum is 56.

The spelling of 118338890591 in words is "one hundred eighteen billion, three hundred thirty-eight million, eight hundred ninety thousand, five hundred ninety-one".