11043203203 has 4 divisors (see below), whose sum is σ = 11176253928. Its totient is φ = 10910152480.

The previous prime is 11043203189. The next prime is 11043203207. The reversal of 11043203203 is 30230234011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30230234011 = 2273 ⋅13299707.

It is a cyclic number.

It is not a de Polignac number, because 11043203203 - 2²¹ = 11041106051 is a prime.

It is a super-3 number, since 3×11043203203³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11043203207) 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, 66525238 + ... + 66525403.

It is an arithmetic number, because the mean of its divisors is an integer number (2794063482).

Almost surely, 2^11043203203 is an apocalyptic number.

11043203203 is a deficient number, since it is larger than the sum of its proper divisors (133050725).

11043203203 is an equidigital number, since it uses as much as digits as its factorization.

11043203203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133050724.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 11043203203 its reverse (30230234011), we get a palindrome (41273437214).

The spelling of 11043203203 in words is "eleven billion, forty-three million, two hundred three thousand, two hundred three".