11143223135 has 16 divisors (see below), whose sum is σ = 14594090112. Its totient is φ = 8100496800.

The previous prime is 11143223123. The next prime is 11143223159. The reversal of 11143223135 is 53132234111.

It is not a de Polignac number, because 11143223135 - 2⁶ = 11143223071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80000 + ... + 169370.

It is an arithmetic number, because the mean of its divisors is an integer number (912130632).

Almost surely, 2^11143223135 is an apocalyptic number.

11143223135 is a deficient number, since it is larger than the sum of its proper divisors (3450866977).

11143223135 is a wasteful number, since it uses less digits than its factorization.

11143223135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91654.

The product of its digits is 2160, while the sum is 26.

Adding to 11143223135 its reverse (53132234111), we get a palindrome (64275457246).

The spelling of 11143223135 in words is "eleven billion, one hundred forty-three million, two hundred twenty-three thousand, one hundred thirty-five".