115491686 has 8 divisors (see below), whose sum is σ = 174239424. Its totient is φ = 57411880.

The previous prime is 115491631. The next prime is 115491703. The reversal of 115491686 is 686194511.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166550 + ... + 167241.

It is an arithmetic number, because the mean of its divisors is an integer number (21779928).

Almost surely, 2^115491686 is an apocalyptic number.

115491686 is a deficient number, since it is larger than the sum of its proper divisors (58747738).

115491686 is a wasteful number, since it uses less digits than its factorization.

115491686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333966.

The product of its digits is 51840, while the sum is 41.

The square root of 115491686 is about 10746.7058208551. The cubic root of 115491686 is about 486.9864832434.

The spelling of 115491686 in words is "one hundred fifteen million, four hundred ninety-one thousand, six hundred eighty-six".