561106100033 has 2 divisors, whose sum is σ = 561106100034. Its totient is φ = 561106100032.

The previous prime is 561106100029. The next prime is 561106100063. The reversal of 561106100033 is 330001601165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 398687427889 + 162418672144 = 631417^2 + 403012^2 .

It is a cyclic number.

It is not a de Polignac number, because 561106100033 - 2² = 561106100029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 561106099975 and 561106100011.

It is not a weakly prime, because it can be changed into another prime (561106100063) by changing a digit.

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 as a sum of consecutive naturals, namely, 280553050016 + 280553050017.

It is an arithmetic number, because the mean of its divisors is an integer number (280553050017).

Almost surely, 2^561106100033 is an apocalyptic number.

It is an amenable number.

561106100033 is a deficient number, since it is larger than the sum of its proper divisors (1).

561106100033 is an equidigital number, since it uses as much as digits as its factorization.

561106100033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

Adding to 561106100033 its reverse (330001601165), we get a palindrome (891107701198).

The spelling of 561106100033 in words is "five hundred sixty-one billion, one hundred six million, one hundred thousand, thirty-three".