11478143 has 2 divisors, whose sum is σ = 11478144. Its totient is φ = 11478142.

The previous prime is 11478101. The next prime is 11478149. The reversal of 11478143 is 34187411.

It is a strong prime.

It is an emirp because it is prime and its reverse (34187411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11478143 - 2⁶ = 11478079 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 (11478149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5739071 + 5739072.

It is an arithmetic number, because the mean of its divisors is an integer number (5739072).

Almost surely, 2^11478143 is an apocalyptic number.

11478143 is a deficient number, since it is larger than the sum of its proper divisors (1).

11478143 is an equidigital number, since it uses as much as digits as its factorization.

11478143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 29.

The square root of 11478143 is about 3387.9408200262. The cubic root of 11478143 is about 225.5747806320.

The spelling of 11478143 in words is "eleven million, four hundred seventy-eight thousand, one hundred forty-three".