118123253198 has 4 divisors (see below), whose sum is σ = 177184879800. Its totient is φ = 59061626598.

The previous prime is 118123253197. The next prime is 118123253207. The reversal of 118123253198 is 891352321811.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118123253197) by changing a digit.

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 as a sum of consecutive naturals, namely, 29530813298 + ... + 29530813301.

It is an arithmetic number, because the mean of its divisors is an integer number (44296219950).

Almost surely, 2^118123253198 is an apocalyptic number.

118123253198 is a deficient number, since it is larger than the sum of its proper divisors (59061626602).

118123253198 is an equidigital number, since it uses as much as digits as its factorization.

118123253198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59061626601.

The product of its digits is 103680, while the sum is 44.

The spelling of 118123253198 in words is "one hundred eighteen billion, one hundred twenty-three million, two hundred fifty-three thousand, one hundred ninety-eight".