11243055203 has 4 divisors (see below), whose sum is σ = 11243285088. Its totient is φ = 11242825320.

The previous prime is 11243055181. The next prime is 11243055259. The reversal of 11243055203 is 30255034211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11243055203 - 2¹⁸ = 11242793059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11243054203) 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, 9083 + ... + 150228.

It is an arithmetic number, because the mean of its divisors is an integer number (2810821272).

Almost surely, 2^11243055203 is an apocalyptic number.

11243055203 is a deficient number, since it is larger than the sum of its proper divisors (229885).

11243055203 is an equidigital number, since it uses as much as digits as its factorization.

11243055203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229884.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 11243055203 its reverse (30255034211), we get a palindrome (41498089414).

The spelling of 11243055203 in words is "eleven billion, two hundred forty-three million, fifty-five thousand, two hundred three".