11081711 has 4 divisors (see below), whose sum is σ = 11143800. Its totient is φ = 11019624.

The previous prime is 11081701. The next prime is 11081737. The reversal of 11081711 is 11718011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11718011 = 37 ⋅316703.

It is a cyclic number.

It is not a de Polignac number, because 11081711 - 2⁶ = 11081647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11081701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30776 + ... + 31133.

It is an arithmetic number, because the mean of its divisors is an integer number (2785950).

Almost surely, 2^11081711 is an apocalyptic number.

11081711 is a deficient number, since it is larger than the sum of its proper divisors (62089).

11081711 is an equidigital number, since it uses as much as digits as its factorization.

11081711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62088.

The product of its (nonzero) digits is 56, while the sum is 20.

The square root of 11081711 is about 3328.9203955637. The cubic root of 11081711 is about 222.9473288167.

Adding to 11081711 its reverse (11718011), we get a palindrome (22799722).

The spelling of 11081711 in words is "eleven million, eighty-one thousand, seven hundred eleven".