11143130646 has 32 divisors (see below), whose sum is σ = 22470307200. Its totient is φ = 3683738240.

The previous prime is 11143130623. The next prime is 11143130681. The reversal of 11143130646 is 64603134111.

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, 1670065 + ... + 1676723.

It is an arithmetic number, because the mean of its divisors is an integer number (702197100).

Almost surely, 2^11143130646 is an apocalyptic number.

11143130646 is an abundant number, since it is smaller than the sum of its proper divisors (11327176554).

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

11143130646 is a wasteful number, since it uses less digits than its factorization.

11143130646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8924.

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 11143130646 its reverse (64603134111), we get a palindrome (75746264757).

The spelling of 11143130646 in words is "eleven billion, one hundred forty-three million, one hundred thirty thousand, six hundred forty-six".