320125135644205 has 32 divisors (see below), whose sum is σ = 405710229600000. Its totient is φ = 241817349279744.

The previous prime is 320125135644203. The next prime is 320125135644229. The reversal of 320125135644205 is 502446531521023.

It is a cyclic number.

It is not a de Polignac number, because 320125135644205 - 2¹ = 320125135644203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320125135644203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35116711 + ... + 43283179.

It is an arithmetic number, because the mean of its divisors is an integer number (12678444675000).

Almost surely, 2^{320125135644205} is an apocalyptic number.

It is an amenable number.

320125135644205 is a deficient number, since it is larger than the sum of its proper divisors (85585093955795).

320125135644205 is a wasteful number, since it uses less digits than its factorization.

320125135644205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8167861.

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

The spelling of 320125135644205 in words is "three hundred twenty trillion, one hundred twenty-five billion, one hundred thirty-five million, six hundred forty-four thousand, two hundred five".