865730150015 has 16 divisors (see below), whose sum is σ = 1090100851200. Its totient is φ = 658770791712.

The previous prime is 865730150009. The next prime is 865730150027. The reversal of 865730150015 is 510051037568.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-865730150015 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21007595 + ... + 21048764.

It is an arithmetic number, because the mean of its divisors is an integer number (68131303200).

Almost surely, 2^865730150015 is an apocalyptic number.

865730150015 is a deficient number, since it is larger than the sum of its proper divisors (224370701185).

865730150015 is a wasteful number, since it uses less digits than its factorization.

865730150015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42056566.

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 865730150015 in words is "eight hundred sixty-five billion, seven hundred thirty million, one hundred fifty thousand, fifteen".