13111203929 has 2 divisors, whose sum is σ = 13111203930. Its totient is φ = 13111203928.

The previous prime is 13111203899. The next prime is 13111203943. The reversal of 13111203929 is 92930211131.

It is a happy number.

13111203929 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., 7039210000 + 6071993929 = 83900^2 + 77923^2 .

It is a cyclic number.

It is not a de Polignac number, because 13111203929 - 2¹⁶ = 13111138393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13111203895 and 13111203904.

It is not a weakly prime, because it can be changed into another prime (13111209929) 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, 6555601964 + 6555601965.

It is an arithmetic number, because the mean of its divisors is an integer number (6555601965).

Almost surely, 2^13111203929 is an apocalyptic number.

It is an amenable number.

13111203929 is a deficient number, since it is larger than the sum of its proper divisors (1).

13111203929 is an equidigital number, since it uses as much as digits as its factorization.

13111203929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 32.

The spelling of 13111203929 in words is "thirteen billion, one hundred eleven million, two hundred three thousand, nine hundred twenty-nine".