561223500711 has 8 divisors (see below), whose sum is σ = 753760030704. Its totient is φ = 371417985600.

The previous prime is 561223500689. The next prime is 561223500727. The reversal of 561223500711 is 117005322165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 561223500711 - 2¹⁰ = 561223499687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561223500511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682753240 + ... + 682754061.

It is an arithmetic number, because the mean of its divisors is an integer number (94220003838).

Almost surely, 2^561223500711 is an apocalyptic number.

561223500711 is a deficient number, since it is larger than the sum of its proper divisors (192536529993).

561223500711 is a wasteful number, since it uses less digits than its factorization.

561223500711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365507441.

The product of its (nonzero) digits is 12600, while the sum is 33.

Adding to 561223500711 its reverse (117005322165), we get a palindrome (678228822876).

The spelling of 561223500711 in words is "five hundred sixty-one billion, two hundred twenty-three million, five hundred thousand, seven hundred eleven".