118239081186 has 32 divisors (see below), whose sum is σ = 238697224128. Its totient is φ = 39044229120.

The previous prime is 118239081119. The next prime is 118239081227. The reversal of 118239081186 is 681180932811.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 323166 + ... + 583878.

It is an arithmetic number, because the mean of its divisors is an integer number (7459288254).

Almost surely, 2^118239081186 is an apocalyptic number.

118239081186 is an abundant number, since it is smaller than the sum of its proper divisors (120458142942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118239081186 is a wasteful number, since it uses less digits than its factorization.

118239081186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261426.

The product of its (nonzero) digits is 165888, while the sum is 48.

The spelling of 118239081186 in words is "one hundred eighteen billion, two hundred thirty-nine million, eighty-one thousand, one hundred eighty-six".