11033337680 has 80 divisors (see below), whose sum is σ = 26561692800. Its totient is φ = 4257200640.

The previous prime is 11033337673. The next prime is 11033337701. The reversal of 11033337680 is 8673333011.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 11033337680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4358015 + ... + 4360545.

It is an arithmetic number, because the mean of its divisors is an integer number (332021160).

Almost surely, 2^11033337680 is an apocalyptic number.

11033337680 is a gapful number since it is divisible by the number (10) 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 11033337680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13280846400).

11033337680 is an abundant number, since it is smaller than the sum of its proper divisors (15528355120).

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

11033337680 is a wasteful number, since it uses less digits than its factorization.

11033337680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452 (or 4446 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 11033337680 in words is "eleven billion, thirty-three million, three hundred thirty-seven thousand, six hundred eighty".