564323120516551 has 12 divisors (see below), whose sum is σ = 619204319561880. Its totient is φ = 510055578939680.

The previous prime is 564323120516537. The next prime is 564323120516653. The reversal of 564323120516551 is 155615021323465.

564323120516551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 564323120516551 - 2²⁷ = 564322986298823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564323120516495 and 564323120516504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564323120516501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 856734196 + ... + 857392633.

It is an arithmetic number, because the mean of its divisors is an integer number (51600359963490).

Almost surely, 2^{564323120516551} is an apocalyptic number.

564323120516551 is a deficient number, since it is larger than the sum of its proper divisors (54881199045329).

564323120516551 is a wasteful number, since it uses less digits than its factorization.

564323120516551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714127186 (or 1714127013 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 49.

The spelling of 564323120516551 in words is "five hundred sixty-four trillion, three hundred twenty-three billion, one hundred twenty million, five hundred sixteen thousand, five hundred fifty-one".