11421235933 has 2 divisors, whose sum is σ = 11421235934. Its totient is φ = 11421235932.

The previous prime is 11421235927. The next prime is 11421235937. The reversal of 11421235933 is 33953212411.

11421235933 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., 9174191524 + 2247044409 = 95782^2 + 47403^2 .

It is a cyclic number.

It is not a de Polignac number, because 11421235933 - 2⁹ = 11421235421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11421235937) 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, 5710617966 + 5710617967.

It is an arithmetic number, because the mean of its divisors is an integer number (5710617967).

Almost surely, 2^11421235933 is an apocalyptic number.

It is an amenable number.

11421235933 is a deficient number, since it is larger than the sum of its proper divisors (1).

11421235933 is an equidigital number, since it uses as much as digits as its factorization.

11421235933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 34.

The spelling of 11421235933 in words is "eleven billion, four hundred twenty-one million, two hundred thirty-five thousand, nine hundred thirty-three".