5561106049 has 2 divisors, whose sum is σ = 5561106050. Its totient is φ = 5561106048.

The previous prime is 5561106043. The next prime is 5561106073. The reversal of 5561106049 is 9406011655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4867573824 + 693532225 = 69768^2 + 26335^2 .

It is a cyclic number.

It is not a de Polignac number, because 5561106049 - 2³ = 5561106041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5561105999 and 5561106017.

It is not a weakly prime, because it can be changed into another prime (5561106041) 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, 2780553024 + 2780553025.

It is an arithmetic number, because the mean of its divisors is an integer number (2780553025).

Almost surely, 2^5561106049 is an apocalyptic number.

It is an amenable number.

5561106049 is a deficient number, since it is larger than the sum of its proper divisors (1).

5561106049 is an equidigital number, since it uses as much as digits as its factorization.

5561106049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 5561106049 is about 74572.8237966084. The cubic root of 5561106049 is about 1771.6872469253.

The spelling of 5561106049 in words is "five billion, five hundred sixty-one million, one hundred six thousand, forty-nine".