11522005 has 16 divisors (see below), whose sum is σ = 15971904. Its totient is φ = 7886080.

The previous prime is 11521997. The next prime is 11522009. The reversal of 11522005 is 50022511.

11522005 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11522005 - 2³ = 11521997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11522005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11522009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5227 + ... + 7096.

It is an arithmetic number, because the mean of its divisors is an integer number (998244).

Almost surely, 2^11522005 is an apocalyptic number.

It is an amenable number.

11522005 is a deficient number, since it is larger than the sum of its proper divisors (4449899).

11522005 is a wasteful number, since it uses less digits than its factorization.

11522005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12356.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 11522005 is about 3394.4079012399. The cubic root of 11522005 is about 225.8617487911.

Adding to 11522005 its reverse (50022511), we get a palindrome (61544516).

The spelling of 11522005 in words is "eleven million, five hundred twenty-two thousand, five".