115309822329 has 27 divisors (see below), whose sum is σ = 180377105103. Its totient is φ = 70951740912.

The previous prime is 115309822273. The next prime is 115309822333. The reversal of 115309822329 is 923228903511.

The square root of 115309822329 is 339573.

It is a perfect power (a square), and thus also a powerful number.

115309822329 is a `hidden beast` number, since 1 + 1 + 530 + 9 + 82 + 2 + 32 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17057666025 + 98252156304 = 130605^2 + 313452^2 .

It is not a de Polignac number, because 115309822329 - 2²¹ = 115307725177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115309822379) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13238994 + ... + 13247700.

Almost surely, 2^115309822329 is an apocalyptic number.

115309822329 is the 339573-rd square number.

115309822329 is the 169787-th centered octagonal number.

It is an amenable number.

115309822329 is a deficient number, since it is larger than the sum of its proper divisors (65067282774).

115309822329 is an frugal number, since it uses more digits than its factorization.

115309822329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17446 (or 8723 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 115309822329 in words is "one hundred fifteen billion, three hundred nine million, eight hundred twenty-two thousand, three hundred twenty-nine".