11013143 has 4 divisors (see below), whose sum is σ = 11040480. Its totient is φ = 10985808.

The previous prime is 11013139. The next prime is 11013151. The reversal of 11013143 is 34131011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11013143 - 2² = 11013139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13055 + ... + 13872.

It is an arithmetic number, because the mean of its divisors is an integer number (2760120).

Almost surely, 2^11013143 is an apocalyptic number.

11013143 is a deficient number, since it is larger than the sum of its proper divisors (27337).

11013143 is an equidigital number, since it uses as much as digits as its factorization.

11013143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27336.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 11013143 is about 3318.6055806619. The cubic root of 11013143 is about 222.4865488649.

Adding to 11013143 its reverse (34131011), we get a palindrome (45144154).

The spelling of 11013143 in words is "eleven million, thirteen thousand, one hundred forty-three".