564605221512 has 16 divisors (see below), whose sum is σ = 1411513053840. Its totient is φ = 188201740496.

The previous prime is 564605221489. The next prime is 564605221517. The reversal of 564605221512 is 215122506465.

564605221512 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×564605221512² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (564605221517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11762608758 + ... + 11762608805.

It is an arithmetic number, because the mean of its divisors is an integer number (88219565865).

Almost surely, 2^564605221512 is an apocalyptic number.

It is an amenable number.

564605221512 is an abundant number, since it is smaller than the sum of its proper divisors (846907832328).

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

564605221512 is a wasteful number, since it uses less digits than its factorization.

564605221512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23525217572 (or 23525217568 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

Adding to 564605221512 its reverse (215122506465), we get a palindrome (779727727977).

The spelling of 564605221512 in words is "five hundred sixty-four billion, six hundred five million, two hundred twenty-one thousand, five hundred twelve".