11243013203 has 16 divisors (see below), whose sum is σ = 12359589120. Its totient is φ = 10179693216.

The previous prime is 11243013179. The next prime is 11243013227. The reversal of 11243013203 is 30231034211.

It is an interprime number because it is at equal distance from previous prime (11243013179) and next prime (11243013227).

It is a cyclic number.

It is not a de Polignac number, because 11243013203 - 2⁶ = 11243013139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11243013283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547976 + ... + 568122.

It is an arithmetic number, because the mean of its divisors is an integer number (772474320).

Almost surely, 2^11243013203 is an apocalyptic number.

11243013203 is a deficient number, since it is larger than the sum of its proper divisors (1116575917).

11243013203 is a wasteful number, since it uses less digits than its factorization.

11243013203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21466.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11243013203 its reverse (30231034211), we get a palindrome (41474047414).

The spelling of 11243013203 in words is "eleven billion, two hundred forty-three million, thirteen thousand, two hundred three".