115939422722 has 6 divisors (see below), whose sum is σ = 173909856393. Its totient is φ = 57969470592.

The previous prime is 115939422679. The next prime is 115939422733. The reversal of 115939422722 is 227224939511.

It can be written as a sum of positive squares in 2 ways, for example, as 85269256081 + 30670166641 = 292009^2 + 175129^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=240769.

It is a super-2 number, since 2×115939422722² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 361154 + ... + 601922.

Almost surely, 2^115939422722 is an apocalyptic number.

115939422722 is a deficient number, since it is larger than the sum of its proper divisors (57970433671).

115939422722 is an frugal number, since it uses more digits than its factorization.

115939422722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481540 (or 240771 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The spelling of 115939422722 in words is "one hundred fifteen billion, nine hundred thirty-nine million, four hundred twenty-two thousand, seven hundred twenty-two".