320336504334725 has 6 divisors (see below), whose sum is σ = 397217265375090. Its totient is φ = 256269203467760.

The previous prime is 320336504334659. The next prime is 320336504334883. The reversal of 320336504334725 is 527433405633023.

It can be written as a sum of positive squares in 3 ways, for example, as 5344964838724 + 314991539496001 = 2311918^2 + 17748001^2 .

It is not a de Polignac number, because 320336504334725 - 2¹⁰ = 320336504333701 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6406730086670 + ... + 6406730086719.

It is an arithmetic number, because the mean of its divisors is an integer number (66202877562515).

Almost surely, 2^{320336504334725} is an apocalyptic number.

It is an amenable number.

320336504334725 is a deficient number, since it is larger than the sum of its proper divisors (76880761040365).

320336504334725 is a wasteful number, since it uses less digits than its factorization.

320336504334725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12813460173399 (or 12813460173394 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 50.

Adding to 320336504334725 its reverse (527433405633023), we get a palindrome (847769909967748).

The spelling of 320336504334725 in words is "three hundred twenty trillion, three hundred thirty-six billion, five hundred four million, three hundred thirty-four thousand, seven hundred twenty-five".