11240528 has 30 divisors (see below), whose sum is σ = 23588334. Its totient is φ = 5186688.

The previous prime is 11240527. The next prime is 11240539. The reversal of 11240528 is 82504211.

It can be written as a sum of positive squares in 3 ways, for example, as 4624 + 11235904 = 68^2 + 3352^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11240521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 626 + ... + 4782.

Almost surely, 2^11240528 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 11240528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11794167).

11240528 is an abundant number, since it is smaller than the sum of its proper divisors (12347806).

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

11240528 is a wasteful number, since it uses less digits than its factorization.

11240528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191 (or 4172 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 11240528 is about 3352.6896665215. The cubic root of 11240528 is about 224.0073339436.

Adding to 11240528 its reverse (82504211), we get a palindrome (93744739).

The spelling of 11240528 in words is "eleven million, two hundred forty thousand, five hundred twenty-eight".