11043138 has 16 divisors (see below), whose sum is σ = 22306176. Its totient is φ = 3644400.

The previous prime is 11043119. The next prime is 11043143. The reversal of 11043138 is 83134011.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8506 + ... + 9717.

It is an arithmetic number, because the mean of its divisors is an integer number (1394136).

Almost surely, 2^11043138 is an apocalyptic number.

11043138 is an abundant number, since it is smaller than the sum of its proper divisors (11263038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11043138 is a wasteful number, since it uses less digits than its factorization.

11043138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18329.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 11043138 is about 3323.1217251253. The cubic root of 11043138 is about 222.6883512214.

Adding to 11043138 its reverse (83134011), we get a palindrome (94177149).

The spelling of 11043138 in words is "eleven million, forty-three thousand, one hundred thirty-eight".