5561617205 has 32 divisors (see below), whose sum is σ = 7203546240. Its totient is φ = 4108527360.

The previous prime is 5561617181. The next prime is 5561617231. The reversal of 5561617205 is 5027161655.

It is not a de Polignac number, because 5561617205 - 2¹⁶ = 5561551669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2502995 + ... + 2505215.

It is an arithmetic number, because the mean of its divisors is an integer number (225110820).

Almost surely, 2^5561617205 is an apocalyptic number.

It is an amenable number.

5561617205 is a deficient number, since it is larger than the sum of its proper divisors (1641929035).

5561617205 is a wasteful number, since it uses less digits than its factorization.

5561617205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 5561617205 is about 74576.2509449221. The cubic root of 5561617205 is about 1771.7415275434.

The spelling of 5561617205 in words is "five billion, five hundred sixty-one million, six hundred seventeen thousand, two hundred five".