11818337216 has 112 divisors (see below), whose sum is σ = 27184453632. Its totient is φ = 4993228800.

The previous prime is 11818337189. The next prime is 11818337221. The reversal of 11818337216 is 61273381811.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18729221 + ... + 18729851.

It is an arithmetic number, because the mean of its divisors is an integer number (242718336).

Almost surely, 2^11818337216 is an apocalyptic number.

11818337216 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 11818337216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13592226816).

11818337216 is an abundant number, since it is smaller than the sum of its proper divisors (15366116416).

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

11818337216 is an equidigital number, since it uses as much as digits as its factorization.

11818337216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178 (or 1168 counting only the distinct ones).

The product of its digits is 48384, while the sum is 41.

The spelling of 11818337216 in words is "eleven billion, eight hundred eighteen million, three hundred thirty-seven thousand, two hundred sixteen".