11040041 has 4 divisors (see below), whose sum is σ = 11048784. Its totient is φ = 11031300.

The previous prime is 11040037. The next prime is 11040047. The reversal of 11040041 is 14004011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14004011 = 7 ⋅2000573.

It is a cyclic number.

It is not a de Polignac number, because 11040041 - 2² = 11040037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11040047) 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 3 ways as a sum of consecutive naturals, for example, 2075 + ... + 5136.

It is an arithmetic number, because the mean of its divisors is an integer number (2762196).

Almost surely, 2^11040041 is an apocalyptic number.

It is an amenable number.

11040041 is a deficient number, since it is larger than the sum of its proper divisors (8743).

11040041 is an equidigital number, since it uses as much as digits as its factorization.

11040041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8742.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 11040041 is about 3322.6557149365. The cubic root of 11040041 is about 222.6675319487.

Adding to 11040041 its reverse (14004011), we get a palindrome (25044052).

The spelling of 11040041 in words is "eleven million, forty thousand, forty-one".