56164422211 has 4 divisors (see below), whose sum is σ = 56167097272. Its totient is φ = 56161747152.

The previous prime is 56164422191. The next prime is 56164422221. The reversal of 56164422211 is 11222446165.

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 56164422211 - 2⁹ = 56164421699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56164422221) 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, 1305786 + ... + 1348111.

It is an arithmetic number, because the mean of its divisors is an integer number (14041774318).

Almost surely, 2^56164422211 is an apocalyptic number.

56164422211 is a deficient number, since it is larger than the sum of its proper divisors (2675061).

56164422211 is a wasteful number, since it uses less digits than its factorization.

56164422211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675060.

The product of its digits is 23040, while the sum is 34.

Adding to 56164422211 its reverse (11222446165), we get a palindrome (67386868376).

The spelling of 56164422211 in words is "fifty-six billion, one hundred sixty-four million, four hundred twenty-two thousand, two hundred eleven".