561106611722 has 16 divisors (see below), whose sum is σ = 843513259680. Its totient is φ = 279936001968.

The previous prime is 561106611677. The next prime is 561106611799. The reversal of 561106611722 is 227116601165.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2261804 + ... + 2497592.

It is an arithmetic number, because the mean of its divisors is an integer number (52719578730).

Almost surely, 2^561106611722 is an apocalyptic number.

561106611722 is a deficient number, since it is larger than the sum of its proper divisors (282406647958).

561106611722 is a wasteful number, since it uses less digits than its factorization.

561106611722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238405.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 561106611722 in words is "five hundred sixty-one billion, one hundred six million, six hundred eleven thousand, seven hundred twenty-two".