115685016394 has 8 divisors (see below), whose sum is σ = 174692139300. Its totient is φ = 57454303296.

The previous prime is 115685016389. The next prime is 115685016437. The reversal of 115685016394 is 493610586511.

It can be written as a sum of positive squares in 2 ways, for example, as 81999186025 + 33685830369 = 286355^2 + 183537^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194102079 + ... + 194102674.

Almost surely, 2^115685016394 is an apocalyptic number.

115685016394 is a deficient number, since it is larger than the sum of its proper divisors (59007122906).

115685016394 is a wasteful number, since it uses less digits than its factorization.

115685016394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388204904.

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 115685016394 in words is "one hundred fifteen billion, six hundred eighty-five million, sixteen thousand, three hundred ninety-four".