11143113311 has 8 divisors (see below), whose sum is σ = 12157640784. Its totient is φ = 10128838720.

The previous prime is 11143113283. The next prime is 11143113349. The reversal of 11143113311 is 11331134111.

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

It is not a de Polignac number, because 11143113311 - 2¹⁰ = 11143112287 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 (11143113391) 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, 35651 + ... + 153483.

It is an arithmetic number, because the mean of its divisors is an integer number (1519705098).

Almost surely, 2^11143113311 is an apocalyptic number.

11143113311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11143113311 is a deficient number, since it is larger than the sum of its proper divisors (1014527473).

11143113311 is a wasteful number, since it uses less digits than its factorization.

11143113311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126441.

The product of its digits is 108, while the sum is 20.

Adding to 11143113311 its reverse (11331134111), we get a palindrome (22474247422).

The spelling of 11143113311 in words is "eleven billion, one hundred forty-three million, one hundred thirteen thousand, three hundred eleven".