5509111 has 2 divisors, whose sum is σ = 5509112. Its totient is φ = 5509110.

The previous prime is 5509099. The next prime is 5509151. The reversal of 5509111 is 1119055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5509111 - 2⁵ = 5509079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5509151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2754555 + 2754556.

It is an arithmetic number, because the mean of its divisors is an integer number (2754556).

Almost surely, 2^5509111 is an apocalyptic number.

5509111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5509111 is an equidigital number, since it uses as much as digits as its factorization.

5509111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225, while the sum is 22.

The square root of 5509111 is about 2347.1495478559. The cubic root of 5509111 is about 176.6148327029.

The spelling of 5509111 in words is "five million, five hundred nine thousand, one hundred eleven".