685013153315 has 4 divisors (see below), whose sum is σ = 822015783984. Its totient is φ = 548010522648.

The previous prime is 685013153303. The next prime is 685013153327. The reversal of 685013153315 is 513351310586.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (685013153303) and next prime (685013153327).

It is a cyclic number.

It is not a de Polignac number, because 685013153315 - 2¹⁴ = 685013136931 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68501315327 + ... + 68501315336.

It is an arithmetic number, because the mean of its divisors is an integer number (205503945996).

Almost surely, 2^685013153315 is an apocalyptic number.

685013153315 is a deficient number, since it is larger than the sum of its proper divisors (137002630669).

685013153315 is a wasteful number, since it uses less digits than its factorization.

685013153315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137002630668.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 685013153315 in words is "six hundred eighty-five billion, thirteen million, one hundred fifty-three thousand, three hundred fifteen".