11816384256 has 54 divisors (see below), whose sum is σ = 34069555520. Its totient is φ = 3938793984.

The previous prime is 11816384197. The next prime is 11816384299. The reversal of 11816384256 is 65248361811.

11816384256 is a `hidden beast` number, since 1 + 1 + 8 + 1 + 638 + 4 + 2 + 5 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2562016 + ... + 2566623.

Almost surely, 2^11816384256 is an apocalyptic number.

11816384256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11816384256 is an abundant number, since it is smaller than the sum of its proper divisors (22253171264).

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

11816384256 is an equidigital number, since it uses as much as digits as its factorization.

11816384256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5128661 (or 5128644 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The spelling of 11816384256 in words is "eleven billion, eight hundred sixteen million, three hundred eighty-four thousand, two hundred fifty-six".