115109322394 has 24 divisors (see below), whose sum is σ = 190741471200. Its totient is φ = 52059470760.

The previous prime is 115109322373. The next prime is 115109322403. The reversal of 115109322394 is 493223901511.

It is a super-2 number, since 2×115109322394² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1146964 + ... + 1243279.

It is an arithmetic number, because the mean of its divisors is an integer number (7947561300).

Almost surely, 2^115109322394 is an apocalyptic number.

115109322394 is a deficient number, since it is larger than the sum of its proper divisors (75632148806).

115109322394 is a wasteful number, since it uses less digits than its factorization.

115109322394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390466 (or 2390455 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 115109322394 in words is "one hundred fifteen billion, one hundred nine million, three hundred twenty-two thousand, three hundred ninety-four".