115115216049 has 12 divisors (see below), whose sum is σ = 176058565956. Its totient is φ = 72229155072.

The previous prime is 115115216011. The next prime is 115115216093. The reversal of 115115216049 is 940612511511.

It is a happy number.

115115216049 is a `hidden beast` number, since 1 + 15 + 1 + 15 + 21 + 604 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 91184673024 + 23930543025 = 301968^2 + 154695^2 .

It is not a de Polignac number, because 115115216049 - 2⁸ = 115115215793 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115115216149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376193364 + ... + 376193669.

It is an arithmetic number, because the mean of its divisors is an integer number (14671547163).

Almost surely, 2^115115216049 is an apocalyptic number.

It is an amenable number.

115115216049 is a deficient number, since it is larger than the sum of its proper divisors (60943349907).

115115216049 is a wasteful number, since it uses less digits than its factorization.

115115216049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752387056 (or 752387053 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 36.

The spelling of 115115216049 in words is "one hundred fifteen billion, one hundred fifteen million, two hundred sixteen thousand, forty-nine".