11605045 has 4 divisors (see below), whose sum is σ = 13926060. Its totient is φ = 9284032.

The previous prime is 11605007. The next prime is 11605051. The reversal of 11605045 is 54050611.

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 8625969 + 2979076 = 2937^2 + 1726^2 .

It is a cyclic number.

It is not a de Polignac number, because 11605045 - 2²¹ = 9507893 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160500 + ... + 1160509.

It is an arithmetic number, because the mean of its divisors is an integer number (3481515).

Almost surely, 2^11605045 is an apocalyptic number.

It is an amenable number.

11605045 is a deficient number, since it is larger than the sum of its proper divisors (2321015).

11605045 is an equidigital number, since it uses as much as digits as its factorization.

11605045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321014.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 11605045 is about 3406.6178241769. The cubic root of 11605045 is about 226.4030516160.

Adding to 11605045 its reverse (54050611), we get a palindrome (65655656).

The spelling of 11605045 in words is "eleven million, six hundred five thousand, forty-five".