11040538 has 4 divisors (see below), whose sum is σ = 16560810. Its totient is φ = 5520268.

The previous prime is 11040527. The next prime is 11040559. The reversal of 11040538 is 83504011.

11040538 is digitally balanced in base 2, 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 only one way, i.e., 9199089 + 1841449 = 3033^2 + 1357^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760133 + ... + 2760136.

Almost surely, 2^11040538 is an apocalyptic number.

11040538 is a deficient number, since it is larger than the sum of its proper divisors (5520272).

11040538 is an equidigital number, since it uses as much as digits as its factorization.

11040538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5520271.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 11040538 is about 3322.7305036671. The cubic root of 11040538 is about 222.6708732437.

Adding to 11040538 its reverse (83504011), we get a palindrome (94544549).

The spelling of 11040538 in words is "eleven million, forty thousand, five hundred thirty-eight".