565225520172 has 24 divisors (see below), whose sum is σ = 1388273208000. Its totient is φ = 178492269456.

The previous prime is 565225520081. The next prime is 565225520173. The reversal of 565225520172 is 271025522565.

It is not an unprimeable number, because it can be changed into a prime (565225520173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1239529422 + ... + 1239529877.

It is an arithmetic number, because the mean of its divisors is an integer number (57844717000).

Almost surely, 2^565225520172 is an apocalyptic number.

It is an amenable number.

565225520172 is an abundant number, since it is smaller than the sum of its proper divisors (823047687828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

565225520172 is a wasteful number, since it uses less digits than its factorization.

565225520172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479059325 (or 2479059323 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 42.

The spelling of 565225520172 in words is "five hundred sixty-five billion, two hundred twenty-five million, five hundred twenty thousand, one hundred seventy-two".