11143208456 has 16 divisors (see below), whose sum is σ = 21046025340. Its totient is φ = 5530935040.

The previous prime is 11143208449. The next prime is 11143208491. The reversal of 11143208456 is 65480234111.

It can be written as a sum of positive squares in 2 ways, for example, as 9704220100 + 1438988356 = 98510^2 + 37934^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5082485 + ... + 5084676.

Almost surely, 2^11143208456 is an apocalyptic number.

It is an amenable number.

11143208456 is a deficient number, since it is larger than the sum of its proper divisors (9902816884).

11143208456 is a wasteful number, since it uses less digits than its factorization.

11143208456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10167304 (or 10167300 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 11143208456 in words is "eleven billion, one hundred forty-three million, two hundred eight thousand, four hundred fifty-six".