11028528 has 120 divisors (see below), whose sum is σ = 36894960. Its totient is φ = 3144960.

The previous prime is 11028509. The next prime is 11028547. The reversal of 11028528 is 82582011.

11028528 is a `hidden beast` number, since 110 + 28 + 528 = 666.

It is an interprime number because it is at equal distance from previous prime (11028509) and next prime (11028547).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20908 + ... + 21428.

It is an arithmetic number, because the mean of its divisors is an integer number (307458).

Almost surely, 2^11028528 is an apocalyptic number.

11028528 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 11028528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18447480).

11028528 is an abundant number, since it is smaller than the sum of its proper divisors (25866432).

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

11028528 is a wasteful number, since it uses less digits than its factorization.

11028528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 11028528 is about 3320.9227633295. The cubic root of 11028528 is about 222.5901027995.

The spelling of 11028528 in words is "eleven million, twenty-eight thousand, five hundred twenty-eight".