11169312768 has 156 divisors (see below), whose sum is σ = 32798467728. Its totient is φ = 3661332480.

The previous prime is 11169312761. The next prime is 11169312769. The reversal of 11169312768 is 86721396111.

It is not an unprimeable number, because it can be changed into a prime (11169312761) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2246221 + ... + 2251187.

It is an arithmetic number, because the mean of its divisors is an integer number (210246588).

Almost surely, 2^11169312768 is an apocalyptic number.

11169312768 is a gapful number since it is divisible by the number (18) 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 11169312768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16399233864).

11169312768 is an abundant number, since it is smaller than the sum of its proper divisors (21629154960).

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

11169312768 is an equidigital number, since it uses as much as digits as its factorization.

11169312768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058 (or 5033 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The spelling of 11169312768 in words is "eleven billion, one hundred sixty-nine million, three hundred twelve thousand, seven hundred sixty-eight".