11155130243 has 2 divisors, whose sum is σ = 11155130244. Its totient is φ = 11155130242.

The previous prime is 11155130209. The next prime is 11155130293. The reversal of 11155130243 is 34203155111.

11155130243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11155130243 is a prime.

It is not a weakly prime, because it can be changed into another prime (11155130293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5577565121 + 5577565122.

It is an arithmetic number, because the mean of its divisors is an integer number (5577565122).

Almost surely, 2^11155130243 is an apocalyptic number.

11155130243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11155130243 is an equidigital number, since it uses as much as digits as its factorization.

11155130243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 11155130243 its reverse (34203155111), we get a palindrome (45358285354).

The spelling of 11155130243 in words is "eleven billion, one hundred fifty-five million, one hundred thirty thousand, two hundred forty-three".