868540150585 has 16 divisors (see below), whose sum is σ = 1078481978640. Its totient is φ = 670689331200.

The previous prime is 868540150561. The next prime is 868540150591. The reversal of 868540150585 is 585051045868.

868540150585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 81849204649 + 786690945936 = 286093^2 + 886956^2 .

It is not a de Polignac number, because 868540150585 - 2²¹ = 868538053433 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282816 + ... + 1347985.

It is an arithmetic number, because the mean of its divisors is an integer number (67405123665).

Almost surely, 2^868540150585 is an apocalyptic number.

It is an amenable number.

868540150585 is a deficient number, since it is larger than the sum of its proper divisors (209941828055).

868540150585 is a wasteful number, since it uses less digits than its factorization.

868540150585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634508.

The product of its (nonzero) digits is 7680000, while the sum is 55.

The spelling of 868540150585 in words is "eight hundred sixty-eight billion, five hundred forty million, one hundred fifty thousand, five hundred eighty-five".