11003440541 has 4 divisors (see below), whose sum is σ = 11014218684. Its totient is φ = 10992662400.

The previous prime is 11003440523. The next prime is 11003440549. The reversal of 11003440541 is 14504430011.

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 7947009316 + 3056431225 = 89146^2 + 55285^2 .

It is a cyclic number.

It is not a de Polignac number, because 11003440541 - 2³⁰ = 9929698717 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 (11003440549) 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, 5387540 + ... + 5389581.

It is an arithmetic number, because the mean of its divisors is an integer number (2753554671).

Almost surely, 2^11003440541 is an apocalyptic number.

It is an amenable number.

11003440541 is a deficient number, since it is larger than the sum of its proper divisors (10778143).

11003440541 is a wasteful number, since it uses less digits than its factorization.

11003440541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10778142.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 11003440541 its reverse (14504430011), we get a palindrome (25507870552).

The spelling of 11003440541 in words is "eleven billion, three million, four hundred forty thousand, five hundred forty-one".