685118485122 has 32 divisors (see below), whose sum is σ = 1442543800320. Its totient is φ = 216324841680.

The previous prime is 685118485087. The next prime is 685118485153. The reversal of 685118485122 is 221584811586.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488047 + ... + 1268237.

It is an arithmetic number, because the mean of its divisors is an integer number (45079493760).

Almost surely, 2^685118485122 is an apocalyptic number.

685118485122 is an abundant number, since it is smaller than the sum of its proper divisors (757425315198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

685118485122 is a wasteful number, since it uses less digits than its factorization.

685118485122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787918.

The product of its digits is 1228800, while the sum is 51.

The spelling of 685118485122 in words is "six hundred eighty-five billion, one hundred eighteen million, four hundred eighty-five thousand, one hundred twenty-two".