6857317506185 has 8 divisors (see below), whose sum is σ = 8363679057096. Its totient is φ = 5395921971840.

The previous prime is 6857317506163. The next prime is 6857317506211. The reversal of 6857317506185 is 5816057137586.

It can be written as a sum of positive squares in 4 ways, for example, as 152931052096 + 6704386454089 = 391064^2 + 2589283^2 .

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

It is not a de Polignac number, because 6857317506185 - 2²⁰ = 6857316457609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11241503804 + ... + 11241504413.

It is an arithmetic number, because the mean of its divisors is an integer number (1045459882137).

Almost surely, 2^{6857317506185} is an apocalyptic number.

It is an amenable number.

6857317506185 is a deficient number, since it is larger than the sum of its proper divisors (1506361550911).

6857317506185 is a wasteful number, since it uses less digits than its factorization.

6857317506185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22483008283.

The product of its (nonzero) digits is 42336000, while the sum is 62.

The spelling of 6857317506185 in words is "six trillion, eight hundred fifty-seven billion, three hundred seventeen million, five hundred six thousand, one hundred eighty-five".