859435111085 has 8 divisors (see below), whose sum is σ = 1031361126936. Its totient is φ = 687522093120.

The previous prime is 859435111063. The next prime is 859435111099. The reversal of 859435111085 is 580111534958.

It can be written as a sum of positive squares in 4 ways, for example, as 630712996 + 858804398089 = 25114^2 + 926717^2 .

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

It is not a de Polignac number, because 859435111085 - 2¹⁴ = 859435094701 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 3103406 + ... + 3368975.

It is an arithmetic number, because the mean of its divisors is an integer number (128920140867).

Almost surely, 2^859435111085 is an apocalyptic number.

It is an amenable number.

859435111085 is a deficient number, since it is larger than the sum of its proper divisors (171926015851).

859435111085 is a wasteful number, since it uses less digits than its factorization.

859435111085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6498943.

The product of its (nonzero) digits is 864000, while the sum is 50.

The spelling of 859435111085 in words is "eight hundred fifty-nine billion, four hundred thirty-five million, one hundred eleven thousand, eighty-five".