11143566260 has 24 divisors (see below), whose sum is σ = 23492556360. Its totient is φ = 4440080384.

The previous prime is 11143566241. The next prime is 11143566271. The reversal of 11143566260 is 6266534111.

It can be written as a sum of positive squares in 4 ways, for example, as 8100720016 + 3042846244 = 90004^2 + 55162^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11143566260.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1078865 + ... + 1089144.

It is an arithmetic number, because the mean of its divisors is an integer number (978856515).

Almost surely, 2^11143566260 is an apocalyptic number.

11143566260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11143566260 is an abundant number, since it is smaller than the sum of its proper divisors (12348990100).

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

11143566260 is a wasteful number, since it uses less digits than its factorization.

11143566260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168275 (or 2168273 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 11143566260 in words is "eleven billion, one hundred forty-three million, five hundred sixty-six thousand, two hundred sixty".