11168545 has 4 divisors (see below), whose sum is σ = 13402260. Its totient is φ = 8934832.

The previous prime is 11168543. The next prime is 11168569. The reversal of 11168545 is 54586111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54586111 = 6983 ⋅7817.

It can be written as a sum of positive squares in 2 ways, for example, as 6533136 + 4635409 = 2556^2 + 2153^2 .

It is a cyclic number.

It is not a de Polignac number, because 11168545 - 2¹ = 11168543 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (11168543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1116850 + ... + 1116859.

It is an arithmetic number, because the mean of its divisors is an integer number (3350565).

Almost surely, 2^11168545 is an apocalyptic number.

It is an amenable number.

11168545 is a deficient number, since it is larger than the sum of its proper divisors (2233715).

11168545 is an equidigital number, since it uses as much as digits as its factorization.

11168545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233714.

The product of its digits is 4800, while the sum is 31.

The square root of 11168545 is about 3341.9373123983. The cubic root of 11168545 is about 223.5281374988.

The spelling of 11168545 in words is "eleven million, one hundred sixty-eight thousand, five hundred forty-five".