11143430009 has 2 divisors, whose sum is σ = 11143430010. Its totient is φ = 11143430008.

The previous prime is 11143429987. The next prime is 11143430033. The reversal of 11143430009 is 90003434111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6304836409 + 4838593600 = 79403^2 + 69560^2 .

It is a cyclic number.

It is not a de Polignac number, because 11143430009 - 2¹² = 11143425913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11143430009.

It is not a weakly prime, because it can be changed into another prime (11143420009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571715004 + 5571715005.

It is an arithmetic number, because the mean of its divisors is an integer number (5571715005).

Almost surely, 2^11143430009 is an apocalyptic number.

It is an amenable number.

11143430009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11143430009 is an equidigital number, since it uses as much as digits as its factorization.

11143430009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 11143430009 in words is "eleven billion, one hundred forty-three million, four hundred thirty thousand, nine".