115913705919 has 32 divisors (see below), whose sum is σ = 172751685120. Its totient is φ = 68522342400.

The previous prime is 115913705911. The next prime is 115913705939. The reversal of 115913705919 is 919507319511.

It is not a de Polignac number, because 115913705919 - 2³ = 115913705911 is a prime.

It is a super-2 number, since 2×115913705919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115913705911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10871439 + ... + 10882095.

It is an arithmetic number, because the mean of its divisors is an integer number (5398490160).

Almost surely, 2^115913705919 is an apocalyptic number.

115913705919 is a deficient number, since it is larger than the sum of its proper divisors (56837979201).

115913705919 is a wasteful number, since it uses less digits than its factorization.

115913705919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18751.

The product of its (nonzero) digits is 382725, while the sum is 51.

The spelling of 115913705919 in words is "one hundred fifteen billion, nine hundred thirteen million, seven hundred five thousand, nine hundred nineteen".