564111441044421 has 16 divisors (see below), whose sum is σ = 754602956410560. Its totient is φ = 374848692301440.

The previous prime is 564111441044369. The next prime is 564111441044449. The reversal of 564111441044421 is 124440144111465.

It is not a de Polignac number, because 564111441044421 - 2⁷ = 564111441044293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564111441044461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196379235 + ... + 199231088.

It is an arithmetic number, because the mean of its divisors is an integer number (47162684775660).

Almost surely, 2^{564111441044421} is an apocalyptic number.

It is an amenable number.

564111441044421 is a deficient number, since it is larger than the sum of its proper divisors (190491515366139).

564111441044421 is a wasteful number, since it uses less digits than its factorization.

564111441044421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395611876.

The product of its (nonzero) digits is 245760, while the sum is 42.

Adding to 564111441044421 its reverse (124440144111465), we get a palindrome (688551585155886).

The spelling of 564111441044421 in words is "five hundred sixty-four trillion, one hundred eleven billion, four hundred forty-one million, forty-four thousand, four hundred twenty-one".