118902353243878 has 4 divisors (see below), whose sum is σ = 178353529865820. Its totient is φ = 59451176621938.

The previous prime is 118902353243777. The next prime is 118902353243887. The reversal of 118902353243878 is 878342353209811.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29725588310968 + ... + 29725588310971.

It is an arithmetic number, because the mean of its divisors is an integer number (44588382466455).

Almost surely, 2^{118902353243878} is an apocalyptic number.

118902353243878 is a deficient number, since it is larger than the sum of its proper divisors (59451176621942).

118902353243878 is an equidigital number, since it uses as much as digits as its factorization.

118902353243878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59451176621941.

The product of its (nonzero) digits is 69672960, while the sum is 64.

The spelling of 118902353243878 in words is "one hundred eighteen trillion, nine hundred two billion, three hundred fifty-three million, two hundred forty-three thousand, eight hundred seventy-eight".