11403221329 has 2 divisors, whose sum is σ = 11403221330. Its totient is φ = 11403221328.

The previous prime is 11403221287. The next prime is 11403221339. The reversal of 11403221329 is 92312230411.

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., 8037481104 + 3365740225 = 89652^2 + 58015^2 .

It is a cyclic number.

It is not a de Polignac number, because 11403221329 - 2²³ = 11394832721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11403221297 and 11403221306.

It is not a weakly prime, because it can be changed into another prime (11403221339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5701610664 + 5701610665.

It is an arithmetic number, because the mean of its divisors is an integer number (5701610665).

Almost surely, 2^11403221329 is an apocalyptic number.

It is an amenable number.

11403221329 is a deficient number, since it is larger than the sum of its proper divisors (1).

11403221329 is an equidigital number, since it uses as much as digits as its factorization.

11403221329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 11403221329 in words is "eleven billion, four hundred three million, two hundred twenty-one thousand, three hundred twenty-nine".