561033606103 has 2 divisors, whose sum is σ = 561033606104. Its totient is φ = 561033606102.

The previous prime is 561033606101. The next prime is 561033606163. The reversal of 561033606103 is 301606330165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 561033606103 - 2¹ = 561033606101 is a prime.

Together with 561033606101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561033606101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280516803051 + 280516803052.

It is an arithmetic number, because the mean of its divisors is an integer number (280516803052).

Almost surely, 2^561033606103 is an apocalyptic number.

561033606103 is a deficient number, since it is larger than the sum of its proper divisors (1).

561033606103 is an equidigital number, since it uses as much as digits as its factorization.

561033606103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 34.

Adding to 561033606103 its reverse (301606330165), we get a palindrome (862639936268).

The spelling of 561033606103 in words is "five hundred sixty-one billion, thirty-three million, six hundred six thousand, one hundred three".