11165445 has 40 divisors (see below), whose sum is σ = 21083040. Its totient is φ = 5637600.

The previous prime is 11165443. The next prime is 11165477. The reversal of 11165445 is 54456111.

11165445 is a `hidden beast` number, since 1 + 1 + 1 + 654 + 4 + 5 = 666.

11165445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11165445 - 2¹ = 11165443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 15.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11165443) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6970 + ... + 8420.

It is an arithmetic number, because the mean of its divisors is an integer number (527076).

Almost surely, 2^11165445 is an apocalyptic number.

11165445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11165445 is a deficient number, since it is larger than the sum of its proper divisors (9917595).

11165445 is a wasteful number, since it uses less digits than its factorization.

11165445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487 (or 1478 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 11165445 is about 3341.4734773749. The cubic root of 11165445 is about 223.5074543705.

It can be divided in two parts, 1116 and 5445, that added together give a 8-th power (6561 = 3⁸).

The spelling of 11165445 in words is "eleven million, one hundred sixty-five thousand, four hundred forty-five".