5561005605 has 16 divisors (see below), whose sum is σ = 8980766784. Its totient is φ = 2938150400.

The previous prime is 5561005589. The next prime is 5561005631. The reversal of 5561005605 is 5065001655.

It is not a de Polignac number, because 5561005605 - 2⁴ = 5561005589 is a prime.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1730796 + ... + 1734005.

It is an arithmetic number, because the mean of its divisors is an integer number (561297924).

Almost surely, 2^5561005605 is an apocalyptic number.

It is an amenable number.

5561005605 is a deficient number, since it is larger than the sum of its proper divisors (3419761179).

5561005605 is a wasteful number, since it uses less digits than its factorization.

5561005605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464916.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 5561005605 is about 74572.1503310720. The cubic root of 5561005605 is about 1771.6765801968.

The spelling of 5561005605 in words is "five billion, five hundred sixty-one million, five thousand, six hundred five".