11521044 has 36 divisors (see below), whose sum is σ = 29498560. Its totient is φ = 3790800.

The previous prime is 11521039. The next prime is 11521051. The reversal of 11521044 is 44012511.

11521044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 819 + ... + 4869.

Almost surely, 2^11521044 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 11521044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14749280).

11521044 is an abundant number, since it is smaller than the sum of its proper divisors (17977516).

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

11521044 is a wasteful number, since it uses less digits than its factorization.

11521044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140 (or 4135 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 11521044 is about 3394.2663419361. The cubic root of 11521044 is about 225.8554692366.

Adding to 11521044 its reverse (44012511), we get a palindrome (55533555).

The spelling of 11521044 in words is "eleven million, five hundred twenty-one thousand, forty-four".