5561150205609 has 12 divisors (see below), whose sum is σ = 8032815412596. Its totient is φ = 3707413673472.

The previous prime is 5561150205433. The next prime is 5561150205649. The reversal of 5561150205609 is 9065020511655.

5561150205609 is a `hidden beast` number, since 5 + 5 + 6 + 1 + 15 + 0 + 20 + 5 + 609 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4864472858025 + 696677347584 = 2205555^2 + 834672^2 .

It is not a de Polignac number, because 5561150205609 - 2²⁵ = 5561116651177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5561150205649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243729 + ... + 3343905.

It is an arithmetic number, because the mean of its divisors is an integer number (669401284383).

Almost surely, 2^{5561150205609} is an apocalyptic number.

It is an amenable number.

5561150205609 is a deficient number, since it is larger than the sum of its proper divisors (2471665206987).

5561150205609 is a wasteful number, since it uses less digits than its factorization.

5561150205609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3299496 (or 3299493 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 45.

The spelling of 5561150205609 in words is "five trillion, five hundred sixty-one billion, one hundred fifty million, two hundred five thousand, six hundred nine".