11243151103 has 4 divisors (see below), whose sum is σ = 11270640880. Its totient is φ = 11215661328.

The previous prime is 11243151091. The next prime is 11243151163. The reversal of 11243151103 is 30115134211.

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 11243151103 - 2⁹ = 11243150591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243151163) 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, 13744275 + ... + 13745092.

It is an arithmetic number, because the mean of its divisors is an integer number (2817660220).

Almost surely, 2^11243151103 is an apocalyptic number.

11243151103 is a deficient number, since it is larger than the sum of its proper divisors (27489777).

11243151103 is an equidigital number, since it uses as much as digits as its factorization.

11243151103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27489776.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 11243151103 its reverse (30115134211), we get a palindrome (41358285314).

The spelling of 11243151103 in words is "eleven billion, two hundred forty-three million, one hundred fifty-one thousand, one hundred three".