5205320325445 has 32 divisors (see below), whose sum is σ = 6586472880000. Its totient is φ = 3938289465600.

The previous prime is 5205320325431. The next prime is 5205320325461. The reversal of 5205320325445 is 5445230235025.

It is a de Polignac number, because none of the positive numbers 2^k-5205320325445 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5205320325398 and 5205320325407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272963371 + ... + 272982439.

It is an arithmetic number, because the mean of its divisors is an integer number (205827277500).

Almost surely, 2^{5205320325445} is an apocalyptic number.

It is an amenable number.

5205320325445 is a deficient number, since it is larger than the sum of its proper divisors (1381152554555).

5205320325445 is a wasteful number, since it uses less digits than its factorization.

5205320325445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23893.

The product of its (nonzero) digits is 720000, while the sum is 40.

The spelling of 5205320325445 in words is "five trillion, two hundred five billion, three hundred twenty million, three hundred twenty-five thousand, four hundred forty-five".