118108692242 has 6 divisors (see below), whose sum is σ = 177163767399. Its totient is φ = 59054103110.

The previous prime is 118108692217. The next prime is 118108692257. The reversal of 118108692242 is 242296801811.

It can be written as a sum of positive squares in only one way, i.e., 59054346121 + 59054346121 = 243011^2 + 243011^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=243011.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118108692193 and 118108692202.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 364517 + ... + 607527.

Almost surely, 2^118108692242 is an apocalyptic number.

118108692242 is a deficient number, since it is larger than the sum of its proper divisors (59055075157).

118108692242 is an frugal number, since it uses more digits than its factorization.

118108692242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486024 (or 243013 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The spelling of 118108692242 in words is "one hundred eighteen billion, one hundred eight million, six hundred ninety-two thousand, two hundred forty-two".