11011304243 has 8 divisors (see below), whose sum is σ = 11907093312. Its totient is φ = 10143078016.

The previous prime is 11011304179. The next prime is 11011304309. The reversal of 11011304243 is 34240311011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11011304243 - 2⁶ = 11011304179 is a prime.

It is a super-2 number, since 2×11011304243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011304443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6889880 + ... + 6891477.

It is an arithmetic number, because the mean of its divisors is an integer number (1488386664).

Almost surely, 2^11011304243 is an apocalyptic number.

11011304243 is a deficient number, since it is larger than the sum of its proper divisors (895789069).

11011304243 is a wasteful number, since it uses less digits than its factorization.

11011304243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13781421.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11011304243 its reverse (34240311011), we get a palindrome (45251615254).

The spelling of 11011304243 in words is "eleven billion, eleven million, three hundred four thousand, two hundred forty-three".