11043242113 has 4 divisors (see below), whose sum is σ = 11064938580. Its totient is φ = 11021545648.

The previous prime is 11043242101. The next prime is 11043242167. The reversal of 11043242113 is 31124234011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7988248129 + 3054993984 = 89377^2 + 55272^2 .

It is a cyclic number.

It is not a de Polignac number, because 11043242113 - 2²⁹ = 10506371201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11043242183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10847470 + ... + 10848487.

It is an arithmetic number, because the mean of its divisors is an integer number (2766234645).

Almost surely, 2^11043242113 is an apocalyptic number.

It is an amenable number.

11043242113 is a deficient number, since it is larger than the sum of its proper divisors (21696467).

11043242113 is an equidigital number, since it uses as much as digits as its factorization.

11043242113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21696466.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11043242113 its reverse (31124234011), we get a palindrome (42167476124).

The spelling of 11043242113 in words is "eleven billion, forty-three million, two hundred forty-two thousand, one hundred thirteen".