115659430992 has 120 divisors (see below), whose sum is σ = 370061939520. Its totient is φ = 33033461760.

The previous prime is 115659430919. The next prime is 115659431009. The reversal of 115659430992 is 299034956511.

115659430992 is a `hidden beast` number, since 1 + 15 + 6 + 594 + 30 + 9 + 9 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2942992 + ... + 2982032.

It is an arithmetic number, because the mean of its divisors is an integer number (3083849496).

Almost surely, 2^115659430992 is an apocalyptic number.

115659430992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115659430992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185030969760).

115659430992 is an abundant number, since it is smaller than the sum of its proper divisors (254402508528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115659430992 is a wasteful number, since it uses less digits than its factorization.

115659430992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42001 (or 41992 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 54.

The spelling of 115659430992 in words is "one hundred fifteen billion, six hundred fifty-nine million, four hundred thirty thousand, nine hundred ninety-two".