11040500 has 48 divisors (see below), whose sum is σ = 24530688. Its totient is φ = 4340000.

The previous prime is 11040481. The next prime is 11040517. The reversal of 11040500 is 504011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35345 + ... + 35655.

It is an arithmetic number, because the mean of its divisors is an integer number (511056).

Almost surely, 2^11040500 is an apocalyptic number.

11040500 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 11040500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12265344).

11040500 is an abundant number, since it is smaller than the sum of its proper divisors (13490188).

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

11040500 is a wasteful number, since it uses less digits than its factorization.

11040500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 11040500 is about 3322.7247854735. The cubic root of 11040500 is about 222.6706177760.

Adding to 11040500 its reverse (504011), we get a palindrome (11544511).

The spelling of 11040500 in words is "eleven million, forty thousand, five hundred".