11213552429 has 2 divisors, whose sum is σ = 11213552430. Its totient is φ = 11213552428.

The previous prime is 11213552369. The next prime is 11213552437. The reversal of 11213552429 is 92425531211.

11213552429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9716636329 + 1496916100 = 98573^2 + 38690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11213552429 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11213552479) 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, 5606776214 + 5606776215.

It is an arithmetic number, because the mean of its divisors is an integer number (5606776215).

Almost surely, 2^11213552429 is an apocalyptic number.

It is an amenable number.

11213552429 is a deficient number, since it is larger than the sum of its proper divisors (1).

11213552429 is an equidigital number, since it uses as much as digits as its factorization.

11213552429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

The spelling of 11213552429 in words is "eleven billion, two hundred thirteen million, five hundred fifty-two thousand, four hundred twenty-nine".