5656111 has 2 divisors, whose sum is σ = 5656112. Its totient is φ = 5656110.

The previous prime is 5656109. The next prime is 5656117. The reversal of 5656111 is 1116565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5656111 - 2¹ = 5656109 is a prime.

Together with 5656109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5656117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828055 + 2828056.

It is an arithmetic number, because the mean of its divisors is an integer number (2828056).

Almost surely, 2^5656111 is an apocalyptic number.

5656111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5656111 is an equidigital number, since it uses as much as digits as its factorization.

5656111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900, while the sum is 25.

The square root of 5656111 is about 2378.2579759143. The cubic root of 5656111 is about 178.1719396556.

The spelling of 5656111 in words is "five million, six hundred fifty-six thousand, one hundred eleven".