11471543 has 2 divisors, whose sum is σ = 11471544. Its totient is φ = 11471542.

The previous prime is 11471533. The next prime is 11471557. The reversal of 11471543 is 34517411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11471543 - 2⁴ = 11471527 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11471533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5735771 + 5735772.

It is an arithmetic number, because the mean of its divisors is an integer number (5735772).

Almost surely, 2^11471543 is an apocalyptic number.

11471543 is a deficient number, since it is larger than the sum of its proper divisors (1).

11471543 is an equidigital number, since it uses as much as digits as its factorization.

11471543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 26.

The square root of 11471543 is about 3386.9666369777. The cubic root of 11471543 is about 225.5315367322.

Adding to 11471543 its reverse (34517411), we get a palindrome (45988954).

The spelling of 11471543 in words is "eleven million, four hundred seventy-one thousand, five hundred forty-three".