11040013243 has 4 divisors (see below), whose sum is σ = 12617158000. Its totient is φ = 9462868488.

The previous prime is 11040013241. The next prime is 11040013247. The reversal of 11040013243 is 34231004011.

11040013243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11040013243 - 2¹ = 11040013241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11040013243.

It is not an unprimeable number, because it can be changed into a prime (11040013241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788572368 + ... + 788572381.

It is an arithmetic number, because the mean of its divisors is an integer number (3154289500).

Almost surely, 2^11040013243 is an apocalyptic number.

11040013243 is a deficient number, since it is larger than the sum of its proper divisors (1577144757).

11040013243 is an equidigital number, since it uses as much as digits as its factorization.

11040013243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577144756.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11040013243 its reverse (34231004011), we get a palindrome (45271017254).

The spelling of 11040013243 in words is "eleven billion, forty million, thirteen thousand, two hundred forty-three".