11142711 has 16 divisors (see below), whose sum is σ = 16696800. Its totient is φ = 7343424.

The previous prime is 11142697. The next prime is 11142731. The reversal of 11142711 is 11724111.

It is not a de Polignac number, because 11142711 - 2⁵ = 11142679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85 + ... + 4721.

It is an arithmetic number, because the mean of its divisors is an integer number (1043550).

Almost surely, 2^11142711 is an apocalyptic number.

11142711 is a deficient number, since it is larger than the sum of its proper divisors (5554089).

11142711 is an equidigital number, since it uses as much as digits as its factorization.

11142711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4735 (or 4729 counting only the distinct ones).

The product of its digits is 56, while the sum is 18.

The square root of 11142711 is about 3338.0699513342. The cubic root of 11142711 is about 223.3556565394.

Adding to 11142711 its reverse (11724111), we get a palindrome (22866822).

The spelling of 11142711 in words is "eleven million, one hundred forty-two thousand, seven hundred eleven".