11041243011 has 12 divisors (see below), whose sum is σ = 16886607192. Its totient is φ = 6927838656.

The previous prime is 11041242929. The next prime is 11041243033. The reversal of 11041243011 is 11034214011.

It is not a de Polignac number, because 11041243011 - 2²⁶ = 10974134147 is a prime.

It is a super-2 number, since 2×11041243011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11041243111) 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 in 11 ways as a sum of consecutive naturals, for example, 36082341 + ... + 36082646.

It is an arithmetic number, because the mean of its divisors is an integer number (1407217266).

Almost surely, 2^11041243011 is an apocalyptic number.

11041243011 is a deficient number, since it is larger than the sum of its proper divisors (5845364181).

11041243011 is a wasteful number, since it uses less digits than its factorization.

11041243011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72165010 (or 72165007 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11041243011 its reverse (11034214011), we get a palindrome (22075457022).

The spelling of 11041243011 in words is "eleven billion, forty-one million, two hundred forty-three thousand, eleven".