118388793601 has 4 divisors (see below), whose sum is σ = 127495623892. Its totient is φ = 109281963312.

The previous prime is 118388793599. The next prime is 118388793613. The reversal of 118388793601 is 106397883811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106397883811 = 1721 ⋅61823291.

It can be written as a sum of positive squares in 2 ways, for example, as 22536014400 + 95852779201 = 150120^2 + 309601^2 .

It is a cyclic number.

It is not a de Polignac number, because 118388793601 - 2¹ = 118388793599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118388793671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4553415126 + ... + 4553415151.

It is an arithmetic number, because the mean of its divisors is an integer number (31873905973).

Almost surely, 2^118388793601 is an apocalyptic number.

It is an amenable number.

118388793601 is a deficient number, since it is larger than the sum of its proper divisors (9106830291).

118388793601 is an equidigital number, since it uses as much as digits as its factorization.

118388793601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9106830290.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 118388793601 in words is "one hundred eighteen billion, three hundred eighty-eight million, seven hundred ninety-three thousand, six hundred one".