561175564243 has 8 divisors (see below), whose sum is σ = 641523733760. Its totient is φ = 480872452680.

The previous prime is 561175564211. The next prime is 561175564289. The reversal of 561175564243 is 342465571165.

561175564243 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 561175564243 - 2⁵ = 561175564211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (561175564343) 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, 11237793 + ... + 11287618.

It is an arithmetic number, because the mean of its divisors is an integer number (80190466720).

Almost surely, 2^561175564243 is an apocalyptic number.

561175564243 is a deficient number, since it is larger than the sum of its proper divisors (80348169517).

561175564243 is a wasteful number, since it uses less digits than its factorization.

561175564243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22528977.

The product of its digits is 3024000, while the sum is 49.

The spelling of 561175564243 in words is "five hundred sixty-one billion, one hundred seventy-five million, five hundred sixty-four thousand, two hundred forty-three".