11143498009 has 4 divisors (see below), whose sum is σ = 12735426304. Its totient is φ = 9551569716.

The previous prime is 11143498007. The next prime is 11143498061. The reversal of 11143498009 is 90089434111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11143498009 - 2¹ = 11143498007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11143498007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 795964137 + ... + 795964150.

It is an arithmetic number, because the mean of its divisors is an integer number (3183856576).

Almost surely, 2^11143498009 is an apocalyptic number.

It is an amenable number.

11143498009 is a deficient number, since it is larger than the sum of its proper divisors (1591928295).

11143498009 is an equidigital number, since it uses as much as digits as its factorization.

11143498009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591928294.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 11143498009 in words is "eleven billion, one hundred forty-three million, four hundred ninety-eight thousand, nine".