115699580039 has 16 divisors (see below), whose sum is σ = 126141494400. Its totient is φ = 105702083424.

The previous prime is 115699580021. The next prime is 115699580063. The reversal of 115699580039 is 930085996511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 115699580039 - 2¹⁶ = 115699514503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115699580069) 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, 328724 + ... + 582630.

It is an arithmetic number, because the mean of its divisors is an integer number (7883843400).

Almost surely, 2^115699580039 is an apocalyptic number.

115699580039 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

115699580039 is a deficient number, since it is larger than the sum of its proper divisors (10441914361).

115699580039 is a wasteful number, since it uses less digits than its factorization.

115699580039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254782.

The product of its (nonzero) digits is 2624400, while the sum is 56.

The spelling of 115699580039 in words is "one hundred fifteen billion, six hundred ninety-nine million, five hundred eighty thousand, thirty-nine".