561364334411 has 4 divisors (see below), whose sum is σ = 561818146752. Its totient is φ = 560910522072.

The previous prime is 561364334393. The next prime is 561364334441. The reversal of 561364334411 is 114433463165.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561364334411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561364334441) 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, 226904315 + ... + 226906788.

It is an arithmetic number, because the mean of its divisors is an integer number (140454536688).

Almost surely, 2^561364334411 is an apocalyptic number.

561364334411 is a deficient number, since it is larger than the sum of its proper divisors (453812341).

561364334411 is a wasteful number, since it uses less digits than its factorization.

561364334411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453812340.

The product of its digits is 311040, while the sum is 41.

Adding to 561364334411 its reverse (114433463165), we get a palindrome (675797797576).

The spelling of 561364334411 in words is "five hundred sixty-one billion, three hundred sixty-four million, three hundred thirty-four thousand, four hundred eleven".