11643135 has 64 divisors (see below), whose sum is σ = 22732800. Its totient is φ = 5080320.

The previous prime is 11643133. The next prime is 11643161. The reversal of 11643135 is 53134611.

11643135 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 11643135 - 2¹ = 11643133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11643133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 159459 + ... + 159531.

It is an arithmetic number, because the mean of its divisors is an integer number (355200).

Almost surely, 2^11643135 is an apocalyptic number.

11643135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11643135 is a deficient number, since it is larger than the sum of its proper divisors (11089665).

11643135 is an equidigital number, since it uses as much as digits as its factorization.

11643135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 119 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 11643135 is about 3412.2038333019. The cubic root of 11643135 is about 226.6504806301.

Adding to 11643135 its reverse (53134611), we get a palindrome (64777746).

The spelling of 11643135 in words is "eleven million, six hundred forty-three thousand, one hundred thirty-five".