115614989198 has 4 divisors (see below), whose sum is σ = 173422483800. Its totient is φ = 57807494598.

The previous prime is 115614989179. The next prime is 115614989207. The reversal of 115614989198 is 891989416511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 891989416511 = 73277 ⋅12172843.

It is a self number, because there is not a number n which added to its sum of digits gives 115614989198.

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, 28903747298 + ... + 28903747301.

It is an arithmetic number, because the mean of its divisors is an integer number (43355620950).

Almost surely, 2^115614989198 is an apocalyptic number.

115614989198 is a deficient number, since it is larger than the sum of its proper divisors (57807494602).

115614989198 is an equidigital number, since it uses as much as digits as its factorization.

115614989198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57807494601.

The product of its digits is 5598720, while the sum is 62.

The spelling of 115614989198 in words is "one hundred fifteen billion, six hundred fourteen million, nine hundred eighty-nine thousand, one hundred ninety-eight".