11569482816 has 112 divisors (see below), whose sum is σ = 32419405824. Its totient is φ = 3633670656.

The previous prime is 11569482809. The next prime is 11569482817. The reversal of 11569482816 is 61828496511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11569482817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276321 + ... + 315423.

Almost surely, 2^11569482816 is an apocalyptic number.

11569482816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11569482816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16209702912).

11569482816 is an abundant number, since it is smaller than the sum of its proper divisors (20849923008).

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

11569482816 is a wasteful number, since it uses less digits than its factorization.

11569482816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39208 (or 39198 counting only the distinct ones).

The product of its digits is 829440, while the sum is 51.

The spelling of 11569482816 in words is "eleven billion, five hundred sixty-nine million, four hundred eighty-two thousand, eight hundred sixteen".