11143615623 has 24 divisors (see below), whose sum is σ = 17705545200. Its totient is φ = 6212465280.

The previous prime is 11143615591. The next prime is 11143615627. The reversal of 11143615623 is 32651634111.

It is a happy number.

It is not a de Polignac number, because 11143615623 - 2⁵ = 11143615591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143615627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 918448 + ... + 930501.

It is an arithmetic number, because the mean of its divisors is an integer number (737731050).

Almost surely, 2^11143615623 is an apocalyptic number.

11143615623 is a deficient number, since it is larger than the sum of its proper divisors (6561929577).

11143615623 is a wasteful number, since it uses less digits than its factorization.

11143615623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849007 (or 1849000 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The spelling of 11143615623 in words is "eleven billion, one hundred forty-three million, six hundred fifteen thousand, six hundred twenty-three".