11243100403 has 4 divisors (see below), whose sum is σ = 11378559528. Its totient is φ = 11107641280.

The previous prime is 11243100389. The next prime is 11243100431. The reversal of 11243100403 is 30400134211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11243100403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11243106403) 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, 67729438 + ... + 67729603.

It is an arithmetic number, because the mean of its divisors is an integer number (2844639882).

Almost surely, 2^11243100403 is an apocalyptic number.

11243100403 is a deficient number, since it is larger than the sum of its proper divisors (135459125).

11243100403 is an equidigital number, since it uses as much as digits as its factorization.

11243100403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135459124.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11243100403 its reverse (30400134211), we get a palindrome (41643234614).

The spelling of 11243100403 in words is "eleven billion, two hundred forty-three million, one hundred thousand, four hundred three".