11411321543 has 2 divisors, whose sum is σ = 11411321544. Its totient is φ = 11411321542.

The previous prime is 11411321539. The next prime is 11411321567. The reversal of 11411321543 is 34512311411.

11411321543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11411321543 - 2² = 11411321539 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11411321573) 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, 5705660771 + 5705660772.

It is an arithmetic number, because the mean of its divisors is an integer number (5705660772).

Almost surely, 2^11411321543 is an apocalyptic number.

11411321543 is a deficient number, since it is larger than the sum of its proper divisors (1).

11411321543 is an equidigital number, since it uses as much as digits as its factorization.

11411321543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 26.

Adding to 11411321543 its reverse (34512311411), we get a palindrome (45923632954).

The spelling of 11411321543 in words is "eleven billion, four hundred eleven million, three hundred twenty-one thousand, five hundred forty-three".