11004520 has 32 divisors (see below), whose sum is σ = 25009920. Its totient is φ = 4357440.

The previous prime is 11004493. The next prime is 11004527. The reversal of 11004520 is 2540011.

It is a self number, because there is not a number n which added to its sum of digits gives 11004520.

It is not an unprimeable number, because it can be changed into a prime (11004527) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2785 + ... + 5455.

It is an arithmetic number, because the mean of its divisors is an integer number (781560).

Almost surely, 2^11004520 is an apocalyptic number.

11004520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11004520 is an abundant number, since it is smaller than the sum of its proper divisors (14005400).

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

11004520 is a wasteful number, since it uses less digits than its factorization.

11004520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785 (or 2781 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 11004520 is about 3317.3061360086. The cubic root of 11004520 is about 222.4284666734.

Adding to 11004520 its reverse (2540011), we get a palindrome (13544531).

The spelling of 11004520 in words is "eleven million, four thousand, five hundred twenty".