111913686394 has 8 divisors (see below), whose sum is σ = 167987191680. Its totient is φ = 55917955836.

The previous prime is 111913686389. The next prime is 111913686431. The reversal of 111913686394 is 493686319111.

111913686394 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 19440084 + ... + 19445839.

It is an arithmetic number, because the mean of its divisors is an integer number (20998398960).

Almost surely, 2^111913686394 is an apocalyptic number.

111913686394 is a deficient number, since it is larger than the sum of its proper divisors (56073505286).

111913686394 is a wasteful number, since it uses less digits than its factorization.

111913686394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38887364.

The product of its digits is 839808, while the sum is 52.

The spelling of 111913686394 in words is "one hundred eleven billion, nine hundred thirteen million, six hundred eighty-six thousand, three hundred ninety-four".