1111711 has 2 divisors, whose sum is σ = 1111712. Its totient is φ = 1111710.

The previous prime is 1111703. The next prime is 1111723. The reversal of 1111711 is 1171111.

It is a weak prime.

It is an emirp because it is prime and its reverse (1171111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111711 - 2³ = 1111703 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111691 and 1111700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111741) 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, 555855 + 555856.

It is an arithmetic number, because the mean of its divisors is an integer number (555856).

2^1111711 is an apocalyptic number.

1111711 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111711 is an equidigital number, since it uses as much as digits as its factorization.

1111711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7, while the sum is 13.

The square root of 1111711 is about 1054.3770672772. The cubic root of 1111711 is about 103.5930534541.

Adding to 1111711 its reverse (1171111), we get a palindrome (2282822).

It can be divided in two parts, 11 and 11711, that multiplied together give a palindrome (128821).

The spelling of 1111711 in words is "one million, one hundred eleven thousand, seven hundred eleven".