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11041 = 61181

11041 has 4 divisors (see below), whose sum is σ = 11284. Its totient is φ = 10800.

The previous prime is 11027. The next prime is 11047. The reversal of 11041 is 14011.

Adding to 11041 its reverse (14011), we get a palindrome (25052).

It can be divided in two parts, 110 and 41, that added together give a palindrome (151).

It is a happy number.

11041 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 225 + 10816 = 15^2 + 104^2 .

It is a 3-Lehmer number, since φ(11041) divides (11041-1)3.

It is a cyclic number.

It is not a de Polignac number, because 11041 - 29 = 10529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11047) 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, 30 + ... + 151.

It is an arithmetic number, because the mean of its divisors is an integer number (2821).

211041 is an apocalyptic number.

11041 is the 61-st octagonal number.

It is an amenable number.

11041 is a deficient number, since it is larger than the sum of its proper divisors (243).

11041 is an equidigital number, since it uses as much as digits as its factorization.

11041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 11041 is about 105.0761628534. The cubic root of 11041 is about 22.2673979146.

The spelling of 11041 in words is "eleven thousand, forty-one", and thus it is an iban number.

Divisors: 1 61 181 11041