5056661111 has 2 divisors, whose sum is σ = 5056661112. Its totient is φ = 5056661110.

The previous prime is 5056661087. The next prime is 5056661167. The reversal of 5056661111 is 1111666505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5056661111 - 2²² = 5052466807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5056661011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2528330555 + 2528330556.

It is an arithmetic number, because the mean of its divisors is an integer number (2528330556).

Almost surely, 2^5056661111 is an apocalyptic number.

5056661111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5056661111 is an equidigital number, since it uses as much as digits as its factorization.

5056661111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 5056661111 is about 71110.2039864885. The cubic root of 5056661111 is about 1716.4109756146.

The spelling of 5056661111 in words is "five billion, fifty-six million, six hundred sixty-one thousand, one hundred eleven".