5561728338895 has 4 divisors (see below), whose sum is σ = 6674074006680. Its totient is φ = 4449382671112.

The previous prime is 5561728338889. The next prime is 5561728338899. The reversal of 5561728338895 is 5988338271655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5561728338895 - 2²⁵ = 5561694784463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561728338899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556172833885 + ... + 556172833894.

It is an arithmetic number, because the mean of its divisors is an integer number (1668518501670).

Almost surely, 2^{5561728338895} is an apocalyptic number.

5561728338895 is a deficient number, since it is larger than the sum of its proper divisors (1112345667785).

5561728338895 is a wasteful number, since it uses less digits than its factorization.

5561728338895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112345667784.

The product of its digits is 435456000, while the sum is 70.

The spelling of 5561728338895 in words is "five trillion, five hundred sixty-one billion, seven hundred twenty-eight million, three hundred thirty-eight thousand, eight hundred ninety-five".