115707217249 has 16 divisors (see below), whose sum is σ = 136193702400. Its totient is φ = 97281204480.

The previous prime is 115707217237. The next prime is 115707217253. The reversal of 115707217249 is 942712707511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 115707217249 - 2⁵ = 115707217217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115707217199 and 115707217208.

It is not an unprimeable number, because it can be changed into a prime (115707217649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8437699 + ... + 8451400.

It is an arithmetic number, because the mean of its divisors is an integer number (8512106400).

Almost surely, 2^115707217249 is an apocalyptic number.

It is an amenable number.

115707217249 is a deficient number, since it is larger than the sum of its proper divisors (20486485151).

115707217249 is a wasteful number, since it uses less digits than its factorization.

115707217249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16889160.

The product of its (nonzero) digits is 246960, while the sum is 46.

The spelling of 115707217249 in words is "one hundred fifteen billion, seven hundred seven million, two hundred seventeen thousand, two hundred forty-nine".