320125522153264 has 20 divisors (see below), whose sum is σ = 620540963614456. Its totient is φ = 159985918639872.

The previous prime is 320125522153247. The next prime is 320125522153289. The reversal of 320125522153264 is 462351225521023.

It is a happy number.

It is a super-2 number, since 2×320125522153264² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320125522153264.

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, 4802617929 + ... + 4802684584.

Almost surely, 2^{320125522153264} is an apocalyptic number.

It is an amenable number.

320125522153264 is a deficient number, since it is larger than the sum of its proper divisors (300415441461192).

320125522153264 is a wasteful number, since it uses less digits than its factorization.

320125522153264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9605304604 (or 9605304598 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

Adding to 320125522153264 its reverse (462351225521023), we get a palindrome (782476747674287).

The spelling of 320125522153264 in words is "three hundred twenty trillion, one hundred twenty-five billion, five hundred twenty-two million, one hundred fifty-three thousand, two hundred sixty-four".