5561727839445 has 16 divisors (see below), whose sum is σ = 8906832352512. Its totient is φ = 2963565577920.

The previous prime is 5561727839419. The next prime is 5561727839449. The reversal of 5561727839445 is 5449387271655.

It is not a de Polignac number, because 5561727839445 - 2⁸ = 5561727839189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561727839449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168062266 + ... + 168095355.

It is an arithmetic number, because the mean of its divisors is an integer number (556677022032).

Almost surely, 2^{5561727839445} is an apocalyptic number.

It is an amenable number.

5561727839445 is a deficient number, since it is larger than the sum of its proper divisors (3345104513067).

5561727839445 is a wasteful number, since it uses less digits than its factorization.

5561727839445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336158732.

The product of its digits is 254016000, while the sum is 66.

The spelling of 5561727839445 in words is "five trillion, five hundred sixty-one billion, seven hundred twenty-seven million, eight hundred thirty-nine thousand, four hundred forty-five".