115865698899 has 8 divisors (see below), whose sum is σ = 163575104400. Its totient is φ = 72700046336.

The previous prime is 115865698873. The next prime is 115865698919. The reversal of 115865698899 is 998896568511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115865698899 - 2⁸ = 115865698643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115865698899.

It is not an unprimeable number, because it can be changed into a prime (115865698499) 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 7 ways as a sum of consecutive naturals, for example, 1135938174 + ... + 1135938275.

It is an arithmetic number, because the mean of its divisors is an integer number (20446888050).

Almost surely, 2^115865698899 is an apocalyptic number.

115865698899 is a deficient number, since it is larger than the sum of its proper divisors (47709405501).

115865698899 is a wasteful number, since it uses less digits than its factorization.

115865698899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271876469.

The product of its digits is 335923200, while the sum is 75.

The spelling of 115865698899 in words is "one hundred fifteen billion, eight hundred sixty-five million, six hundred ninety-eight thousand, eight hundred ninety-nine".