11123333129 has 2 divisors, whose sum is σ = 11123333130. Its totient is φ = 11123333128.

The previous prime is 11123333101. The next prime is 11123333131. The reversal of 11123333129 is 92133332111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10206454729 + 916878400 = 101027^2 + 30280^2 .

It is an emirp because it is prime and its reverse (92133332111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11123333129 - 2⁸ = 11123332873 is a prime.

Together with 11123333131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11123333029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561666564 + 5561666565.

It is an arithmetic number, because the mean of its divisors is an integer number (5561666565).

Almost surely, 2^11123333129 is an apocalyptic number.

It is an amenable number.

11123333129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123333129 is an equidigital number, since it uses as much as digits as its factorization.

11123333129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 29.

The spelling of 11123333129 in words is "eleven billion, one hundred twenty-three million, three hundred thirty-three thousand, one hundred twenty-nine".