56566002101 has 16 divisors (see below), whose sum is σ = 64878168960. Its totient is φ = 48311976960.

The previous prime is 56566002083. The next prime is 56566002107. The reversal of 56566002101 is 10120066565.

It is a cyclic number.

It is not a de Polignac number, because 56566002101 - 2⁶ = 56566002037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56566002107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2244965 + ... + 2270021.

It is an arithmetic number, because the mean of its divisors is an integer number (4054885560).

Almost surely, 2^56566002101 is an apocalyptic number.

It is an amenable number.

56566002101 is a deficient number, since it is larger than the sum of its proper divisors (8312166859).

56566002101 is a wasteful number, since it uses less digits than its factorization.

56566002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26204.

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 56566002101 its reverse (10120066565), we get a palindrome (66686068666).

The spelling of 56566002101 in words is "fifty-six billion, five hundred sixty-six million, two thousand, one hundred one".