115857081794 has 16 divisors (see below), whose sum is σ = 179795601720. Its totient is φ = 55925600640.

The previous prime is 115857081757. The next prime is 115857081817. The reversal of 115857081794 is 497180758511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 86986654225 + 28870427569 = 294935^2 + 169913^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545414 + ... + 727454.

Almost surely, 2^115857081794 is an apocalyptic number.

115857081794 is a deficient number, since it is larger than the sum of its proper divisors (63938519926).

115857081794 is a wasteful number, since it uses less digits than its factorization.

115857081794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193045.

The product of its (nonzero) digits is 2822400, while the sum is 56.

The spelling of 115857081794 in words is "one hundred fifteen billion, eight hundred fifty-seven million, eighty-one thousand, seven hundred ninety-four".