11143412663 has 4 divisors (see below), whose sum is σ = 11153571840. Its totient is φ = 11133253488.

The previous prime is 11143412653. The next prime is 11143412677. The reversal of 11143412663 is 36621434111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36621434111 = 73859 ⋅495829.

It is a cyclic number.

It is not a de Polignac number, because 11143412663 - 2⁴ = 11143412647 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 (11143412653) 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, 5077943 + ... + 5080136.

It is an arithmetic number, because the mean of its divisors is an integer number (2788392960).

Almost surely, 2^11143412663 is an apocalyptic number.

11143412663 is a deficient number, since it is larger than the sum of its proper divisors (10159177).

11143412663 is a wasteful number, since it uses less digits than its factorization.

11143412663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10159176.

The product of its digits is 10368, while the sum is 32.

Adding to 11143412663 its reverse (36621434111), we get a palindrome (47764846774).

The spelling of 11143412663 in words is "eleven billion, one hundred forty-three million, four hundred twelve thousand, six hundred sixty-three".