852111785653 has 8 divisors (see below), whose sum is σ = 860802656256. Its totient is φ = 843425898000.

The previous prime is 852111785641. The next prime is 852111785669. The reversal of 852111785653 is 356587111258.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-852111785653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 852111785653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852111785153) 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, 901501 + ... + 1586482.

It is an arithmetic number, because the mean of its divisors is an integer number (107600332032).

Almost surely, 2^852111785653 is an apocalyptic number.

It is an amenable number.

852111785653 is a deficient number, since it is larger than the sum of its proper divisors (8690870603).

852111785653 is a wasteful number, since it uses less digits than its factorization.

852111785653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491475.

The product of its digits is 2016000, while the sum is 52.

The spelling of 852111785653 in words is "eight hundred fifty-two billion, one hundred eleven million, seven hundred eighty-five thousand, six hundred fifty-three".