11810143 has 2 divisors, whose sum is σ = 11810144. Its totient is φ = 11810142.

The previous prime is 11810137. The next prime is 11810147. The reversal of 11810143 is 34101811.

It is a strong prime.

It is an emirp because it is prime and its reverse (34101811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11810143 - 2¹⁷ = 11679071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11810143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11810147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5905071 + 5905072.

It is an arithmetic number, because the mean of its divisors is an integer number (5905072).

Almost surely, 2^11810143 is an apocalyptic number.

11810143 is a deficient number, since it is larger than the sum of its proper divisors (1).

11810143 is an equidigital number, since it uses as much as digits as its factorization.

11810143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 11810143 is about 3436.5888610656. The cubic root of 11810143 is about 227.7290242848.

Adding to 11810143 its reverse (34101811), we get a palindrome (45911954).

The spelling of 11810143 in words is "eleven million, eight hundred ten thousand, one hundred forty-three".