860715321512 has 32 divisors (see below), whose sum is σ = 1676019813600. Its totient is φ = 414075461184.

The previous prime is 860715321511. The next prime is 860715321547. The reversal of 860715321512 is 215123517068.

It is a happy number.

It is a super-2 number, since 2×860715321512² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 860715321512.

It is not an unprimeable number, because it can be changed into a prime (860715321511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18649187 + ... + 18695282.

It is an arithmetic number, because the mean of its divisors is an integer number (52375619175).

Almost surely, 2^860715321512 is an apocalyptic number.

It is an amenable number.

860715321512 is a deficient number, since it is larger than the sum of its proper divisors (815304492088).

860715321512 is a wasteful number, since it uses less digits than its factorization.

860715321512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37344585 (or 37344581 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 860715321512 in words is "eight hundred sixty billion, seven hundred fifteen million, three hundred twenty-one thousand, five hundred twelve".