11143049 has 2 divisors, whose sum is σ = 11143050. Its totient is φ = 11143048.

The previous prime is 11143037. The next prime is 11143051. The reversal of 11143049 is 94034111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10445824 + 697225 = 3232^2 + 835^2 .

It is an emirp because it is prime and its reverse (94034111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11143049 - 2²⁰ = 10094473 is a prime.

Together with 11143051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11143009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571524 + 5571525.

It is an arithmetic number, because the mean of its divisors is an integer number (5571525).

Almost surely, 2^11143049 is an apocalyptic number.

It is an amenable number.

11143049 is a deficient number, since it is larger than the sum of its proper divisors (1).

11143049 is an equidigital number, since it uses as much as digits as its factorization.

11143049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 11143049 is about 3338.1205790085. The cubic root of 11143049 is about 223.3579149201.

The spelling of 11143049 in words is "eleven million, one hundred forty-three thousand, forty-nine".