11143530054 has 12 divisors (see below), whose sum is σ = 24144315156. Its totient is φ = 3714510012.

The previous prime is 11143530043. The next prime is 11143530149. The reversal of 11143530054 is 45003534111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 309542484 + ... + 309542519.

It is an arithmetic number, because the mean of its divisors is an integer number (2012026263).

Almost surely, 2^11143530054 is an apocalyptic number.

11143530054 is an abundant number, since it is smaller than the sum of its proper divisors (13000785102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11143530054 is a wasteful number, since it uses less digits than its factorization.

11143530054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619085011 (or 619085008 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 11143530054 in words is "eleven billion, one hundred forty-three million, five hundred thirty thousand, fifty-four".