115555428686 has 12 divisors (see below), whose sum is σ = 184128979848. Its totient is φ = 54379024992.

The previous prime is 115555428643. The next prime is 115555428701. The reversal of 115555428686 is 686824555511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99960866 + ... + 99962021.

It is an arithmetic number, because the mean of its divisors is an integer number (15344081654).

Almost surely, 2^115555428686 is an apocalyptic number.

115555428686 is a deficient number, since it is larger than the sum of its proper divisors (68573551162).

115555428686 is a wasteful number, since it uses less digits than its factorization.

115555428686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199922923 (or 199922906 counting only the distinct ones).

The product of its digits is 11520000, while the sum is 56.

The spelling of 115555428686 in words is "one hundred fifteen billion, five hundred fifty-five million, four hundred twenty-eight thousand, six hundred eighty-six".