563412055521 has 32 divisors (see below), whose sum is σ = 914921054208. Its totient is φ = 301399750080.

The previous prime is 563412055517. The next prime is 563412055529. The reversal of 563412055521 is 125550214365.

It is not a de Polignac number, because 563412055521 - 2² = 563412055517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 563412055521.

It is not an unprimeable number, because it can be changed into a prime (563412055529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12386710 + ... + 12432111.

It is an arithmetic number, because the mean of its divisors is an integer number (28591282944).

Almost surely, 2^563412055521 is an apocalyptic number.

It is an amenable number.

563412055521 is a deficient number, since it is larger than the sum of its proper divisors (351508998687).

563412055521 is a wasteful number, since it uses less digits than its factorization.

563412055521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24818901.

The product of its (nonzero) digits is 180000, while the sum is 39.

Adding to 563412055521 its reverse (125550214365), we get a palindrome (688962269886).

The spelling of 563412055521 in words is "five hundred sixty-three billion, four hundred twelve million, fifty-five thousand, five hundred twenty-one".