5561728956097 has 16 divisors (see below), whose sum is σ = 6012073958400. Its totient is φ = 5129982950400.

The previous prime is 5561728956073. The next prime is 5561728956167. The reversal of 5561728956097 is 7906598271655.

It is a cyclic number.

It is not a de Polignac number, because 5561728956097 - 2¹¹ = 5561728954049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5561728996097) 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, 13679472 + ... + 14080177.

It is an arithmetic number, because the mean of its divisors is an integer number (375754622400).

Almost surely, 2^{5561728956097} is an apocalyptic number.

It is an amenable number.

5561728956097 is a deficient number, since it is larger than the sum of its proper divisors (450345002303).

5561728956097 is a wasteful number, since it uses less digits than its factorization.

5561728956097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27759984.

The product of its (nonzero) digits is 285768000, while the sum is 70.

The spelling of 5561728956097 in words is "five trillion, five hundred sixty-one billion, seven hundred twenty-eight million, nine hundred fifty-six thousand, ninety-seven".