115595240049 has 45 divisors (see below), whose sum is σ = 177646445361. Its totient is φ = 74907257760.

The previous prime is 115595240029. The next prime is 115595240077. The reversal of 115595240049 is 940042595511.

The square root of 115595240049 is 339993.

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

115595240049 is a `hidden beast` number, since 1 + 1 + 559 + 52 + 4 + 0 + 0 + 49 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 30312551025 + 85282689024 = 174105^2 + 292032^2 .

It is not a de Polignac number, because 115595240049 - 2¹⁷ = 115595108977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115595239986 and 115595240013.

It is not an unprimeable number, because it can be changed into a prime (115595240029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 113217159 + ... + 113218179.

Almost surely, 2^115595240049 is an apocalyptic number.

115595240049 is the 339993-rd square number.

115595240049 is the 169997-th centered octagonal number.

It is an amenable number.

115595240049 is a deficient number, since it is larger than the sum of its proper divisors (62051205312).

115595240049 is an frugal number, since it uses more digits than its factorization.

115595240049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The spelling of 115595240049 in words is "one hundred fifteen billion, five hundred ninety-five million, two hundred forty thousand, forty-nine".