561761411 has 8 divisors (see below), whose sum is σ = 567126000. Its totient is φ = 556416000.

The previous prime is 561761393. The next prime is 561761441. The reversal of 561761411 is 114167165.

561761411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 561761411 - 2¹⁰ = 561760387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561761441) 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, 57911 + ... + 66911.

It is an arithmetic number, because the mean of its divisors is an integer number (70890750).

Almost surely, 2^561761411 is an apocalyptic number.

561761411 is a deficient number, since it is larger than the sum of its proper divisors (5364589).

561761411 is a wasteful number, since it uses less digits than its factorization.

561761411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9589.

The product of its digits is 5040, while the sum is 32.

The square root of 561761411 is about 23701.5065133000. The cubic root of 561761411 is about 825.1203551378.

The spelling of 561761411 in words is "five hundred sixty-one million, seven hundred sixty-one thousand, four hundred eleven".