320363011645625 has 20 divisors (see below), whose sum is σ = 431119897775028. Its totient is φ = 236575762440000.

The previous prime is 320363011645553. The next prime is 320363011645631. The reversal of 320363011645625 is 526546110363023.

It can be written as a sum of positive squares in 10 ways, for example, as 313055094249769 + 7307917395856 = 17693363^2 + 2703316^2 .

It is not a de Polignac number, because 320363011645625 - 2³⁰ = 320361937903801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320363011645625.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19714638746 + ... + 19714654995.

Almost surely, 2^{320363011645625} is an apocalyptic number.

It is an amenable number.

320363011645625 is a deficient number, since it is larger than the sum of its proper divisors (110756886129403).

320363011645625 is an equidigital number, since it uses as much as digits as its factorization.

320363011645625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39429293774 (or 39429293759 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 47.

The spelling of 320363011645625 in words is "three hundred twenty trillion, three hundred sixty-three billion, eleven million, six hundred forty-five thousand, six hundred twenty-five".