685352411056 has 40 divisors (see below), whose sum is σ = 1329699492000. Its totient is φ = 342204495360.

The previous prime is 685352411041. The next prime is 685352411063. The reversal of 685352411056 is 650114253586.

It is a junction number, because it is equal to n+sod(n) for n = 685352410997 and 685352411015.

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, 37753470 + ... + 37771618.

It is an arithmetic number, because the mean of its divisors is an integer number (33242487300).

Almost surely, 2^685352411056 is an apocalyptic number.

It is an amenable number.

685352411056 is a deficient number, since it is larger than the sum of its proper divisors (644347080944).

685352411056 is a wasteful number, since it uses less digits than its factorization.

685352411056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21277 (or 21271 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 685352411056 in words is "six hundred eighty-five billion, three hundred fifty-two million, four hundred eleven thousand, fifty-six".