115436306646 has 12 divisors (see below), whose sum is σ = 250111997772. Its totient is φ = 38478768876.

The previous prime is 115436306641. The next prime is 115436306647. The reversal of 115436306646 is 646603634511.

115436306646 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 3 + 630 + 6 + 6 + 4 + 6 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115436306641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3206564056 + ... + 3206564091.

It is an arithmetic number, because the mean of its divisors is an integer number (20842666481).

Almost surely, 2^115436306646 is an apocalyptic number.

115436306646 is an abundant number, since it is smaller than the sum of its proper divisors (134675691126).

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

115436306646 is a wasteful number, since it uses less digits than its factorization.

115436306646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6413128155 (or 6413128152 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 115436306646 in words is "one hundred fifteen billion, four hundred thirty-six million, three hundred six thousand, six hundred forty-six".