115638730806 has 8 divisors (see below), whose sum is σ = 231277461624. Its totient is φ = 38546243600.

The previous prime is 115638730763. The next prime is 115638730853. The reversal of 115638730806 is 608037836511.

It is a sphenic number, since it is the product of 3 distinct primes.

115638730806 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9636560895 + ... + 9636560906.

It is an arithmetic number, because the mean of its divisors is an integer number (28909682703).

Almost surely, 2^115638730806 is an apocalyptic number.

115638730806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

115638730806 is a wasteful number, since it uses less digits than its factorization.

115638730806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19273121806.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 115638730806 in words is "one hundred fifteen billion, six hundred thirty-eight million, seven hundred thirty thousand, eight hundred six".