11334881143 has 4 divisors (see below), whose sum is σ = 11641229320. Its totient is φ = 11028532968.

The previous prime is 11334881081. The next prime is 11334881149. The reversal of 11334881143 is 34118843311.

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 11334881143 - 2²¹ = 11332783991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 306348139 = 11334881143 / (1 + 1 + 3 + 3 + 4 + 8 + 8 + 1 + 1 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11334881149) 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, 153174033 + ... + 153174106.

It is an arithmetic number, because the mean of its divisors is an integer number (2910307330).

Almost surely, 2^11334881143 is an apocalyptic number.

11334881143 is a deficient number, since it is larger than the sum of its proper divisors (306348177).

11334881143 is an equidigital number, since it uses as much as digits as its factorization.

11334881143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306348176.

The product of its digits is 27648, while the sum is 37.

It can be divided in two parts, 113348 and 81143, that added together give a palindrome (194491).

The spelling of 11334881143 in words is "eleven billion, three hundred thirty-four million, eight hundred eighty-one thousand, one hundred forty-three".