11143122404 has 6 divisors (see below), whose sum is σ = 19500464214. Its totient is φ = 5571561200.

The previous prime is 11143122359. The next prime is 11143122467. The reversal of 11143122404 is 40422134111.

It can be written as a sum of positive squares in only one way, i.e., 10608588004 + 534534400 = 102998^2 + 23120^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11143122404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1392890297 + ... + 1392890304.

It is an arithmetic number, because the mean of its divisors is an integer number (3250077369).

Almost surely, 2^11143122404 is an apocalyptic number.

It is an amenable number.

11143122404 is a deficient number, since it is larger than the sum of its proper divisors (8357341810).

11143122404 is a wasteful number, since it uses less digits than its factorization.

11143122404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785780605 (or 2785780603 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 11143122404 its reverse (40422134111), we get a palindrome (51565256515).

The spelling of 11143122404 in words is "eleven billion, one hundred forty-three million, one hundred twenty-two thousand, four hundred four".