56065616731329 has 16 divisors (see below), whose sum is σ = 74809838585664. Its totient is φ = 37349245371200.

The previous prime is 56065616731309. The next prime is 56065616731361. The reversal of 56065616731329 is 92313761656065.

It is a cyclic number.

It is not a de Polignac number, because 56065616731329 - 2¹¹ = 56065616729281 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (56065616731309) 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, 23800219 + ... + 26049599.

It is an arithmetic number, because the mean of its divisors is an integer number (4675614911604).

Almost surely, 2^{56065616731329} is an apocalyptic number.

It is an amenable number.

56065616731329 is a deficient number, since it is larger than the sum of its proper divisors (18744221854335).

56065616731329 is a wasteful number, since it uses less digits than its factorization.

56065616731329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255568.

The product of its (nonzero) digits is 36741600, while the sum is 60.

The spelling of 56065616731329 in words is "fifty-six trillion, sixty-five billion, six hundred sixteen million, seven hundred thirty-one thousand, three hundred twenty-nine".