115090071687 has 12 divisors (see below), whose sum is σ = 166292392344. Its totient is φ = 76703094000.

The previous prime is 115090071661. The next prime is 115090071709. The reversal of 115090071687 is 786170090511.

115090071687 is a `hidden beast` number, since 11 + 509 + 0 + 0 + 71 + 68 + 7 = 666.

It is not a de Polignac number, because 115090071687 - 2⁶ = 115090071623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115090071637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1937488 + ... + 1996005.

It is an arithmetic number, because the mean of its divisors is an integer number (13857699362).

Almost surely, 2^115090071687 is an apocalyptic number.

115090071687 is a deficient number, since it is larger than the sum of its proper divisors (51202320657).

115090071687 is a wasteful number, since it uses less digits than its factorization.

115090071687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3936750 (or 3936747 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 45.

The spelling of 115090071687 in words is "one hundred fifteen billion, ninety million, seventy-one thousand, six hundred eighty-seven".