115816133678439 has 8 divisors (see below), whose sum is σ = 154434563897472. Its totient is φ = 77204229622520.

The previous prime is 115816133678429. The next prime is 115816133678459. The reversal of 115816133678439 is 934876331618511.

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 115816133678439 - 2⁵ = 115816133678407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115816133678439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115816133678419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1631499369 + ... + 1631570354.

It is an arithmetic number, because the mean of its divisors is an integer number (19304320487184).

Almost surely, 2^{115816133678439} is an apocalyptic number.

115816133678439 is a deficient number, since it is larger than the sum of its proper divisors (38618430219033).

115816133678439 is a wasteful number, since it uses less digits than its factorization.

115816133678439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3263081557.

The product of its digits is 78382080, while the sum is 66.

The spelling of 115816133678439 in words is "one hundred fifteen trillion, eight hundred sixteen billion, one hundred thirty-three million, six hundred seventy-eight thousand, four hundred thirty-nine".