11033112144 has 80 divisors (see below), whose sum is σ = 29769916032. Its totient is φ = 3514435584.

The previous prime is 11033112143. The next prime is 11033112163. The reversal of 11033112144 is 44121133011.

It is a self number, because there is not a number n which added to its sum of digits gives 11033112144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11033112143) 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, 1312884 + ... + 1321260.

Almost surely, 2^11033112144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11033112144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14884958016).

11033112144 is an abundant number, since it is smaller than the sum of its proper divisors (18736803888).

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

11033112144 is a wasteful number, since it uses less digits than its factorization.

11033112144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9604 (or 9598 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11033112144 its reverse (44121133011), we get a palindrome (55154245155).

The spelling of 11033112144 in words is "eleven billion, thirty-three million, one hundred twelve thousand, one hundred forty-four".