118091190858 has 16 divisors (see below), whose sum is σ = 239417757696. Its totient is φ = 38824500960.

The previous prime is 118091190803. The next prime is 118091190871. The reversal of 118091190858 is 858091190811.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 118091190858.

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 7 ways as a sum of consecutive naturals, for example, 134806858 + ... + 134807733.

It is an arithmetic number, because the mean of its divisors is an integer number (14963609856).

Almost surely, 2^118091190858 is an apocalyptic number.

118091190858 is an abundant number, since it is smaller than the sum of its proper divisors (121326566838).

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

118091190858 is a wasteful number, since it uses less digits than its factorization.

118091190858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269614669.

The product of its (nonzero) digits is 207360, while the sum is 51.

The spelling of 118091190858 in words is "one hundred eighteen billion, ninety-one million, one hundred ninety thousand, eight hundred fifty-eight".