11113244143 has 4 divisors (see below), whose sum is σ = 11113719480. Its totient is φ = 11112768808.

The previous prime is 11113244137. The next prime is 11113244171. The reversal of 11113244143 is 34144231111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34144231111 = 17 ⋅2008484183.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11113244143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113244243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200680 + ... + 249997.

It is an arithmetic number, because the mean of its divisors is an integer number (2778429870).

Almost surely, 2^11113244143 is an apocalyptic number.

11113244143 is a deficient number, since it is larger than the sum of its proper divisors (475337).

11113244143 is an equidigital number, since it uses as much as digits as its factorization.

11113244143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475336.

The product of its digits is 1152, while the sum is 25.

Adding to 11113244143 its reverse (34144231111), we get a palindrome (45257475254).

The spelling of 11113244143 in words is "eleven billion, one hundred thirteen million, two hundred forty-four thousand, one hundred forty-three".