11135545 has 4 divisors (see below), whose sum is σ = 13362660. Its totient is φ = 8908432.

The previous prime is 11135471. The next prime is 11135567. The reversal of 11135545 is 54553111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6487209 + 4648336 = 2547^2 + 2156^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11135545 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 1113550 + ... + 1113559.

It is an arithmetic number, because the mean of its divisors is an integer number (3340665).

Almost surely, 2^11135545 is an apocalyptic number.

It is an amenable number.

11135545 is a deficient number, since it is larger than the sum of its proper divisors (2227115).

11135545 is an equidigital number, since it uses as much as digits as its factorization.

11135545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227114.

The product of its digits is 1500, while the sum is 25.

The square root of 11135545 is about 3336.9964039537. The cubic root of 11135545 is about 223.3077654451.

Adding to 11135545 its reverse (54553111), we get a palindrome (65688656).

The spelling of 11135545 in words is "eleven million, one hundred thirty-five thousand, five hundred forty-five".