685015381265 has 8 divisors (see below), whose sum is σ = 823346439360. Its totient is φ = 547126983792.

The previous prime is 685015381217. The next prime is 685015381277. The reversal of 685015381265 is 562183510586.

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

It is a cyclic number.

It is not a de Polignac number, because 685015381265 - 2⁸ = 685015381009 is a prime.

It is a Curzon 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, 110661749 + ... + 110667938.

It is an arithmetic number, because the mean of its divisors is an integer number (102918304920).

Almost surely, 2^685015381265 is an apocalyptic number.

It is an amenable number.

685015381265 is a deficient number, since it is larger than the sum of its proper divisors (138331058095).

685015381265 is a wasteful number, since it uses less digits than its factorization.

685015381265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221330311.

The product of its (nonzero) digits is 1728000, while the sum is 50.

The spelling of 685015381265 in words is "six hundred eighty-five billion, fifteen million, three hundred eighty-one thousand, two hundred sixty-five".