11040045 has 16 divisors (see below), whose sum is σ = 18594240. Its totient is φ = 5577984.

The previous prime is 11040037. The next prime is 11040047. The reversal of 11040045 is 54004011.

11040045 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 11040045 - 2³ = 11040037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19084 + ... + 19653.

It is an arithmetic number, because the mean of its divisors is an integer number (1162140).

Almost surely, 2^11040045 is an apocalyptic number.

11040045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11040045 is a deficient number, since it is larger than the sum of its proper divisors (7554195).

11040045 is a wasteful number, since it uses less digits than its factorization.

11040045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38764.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 11040045 is about 3322.6563168646. The cubic root of 11040045 is about 222.6675588408.

Adding to 11040045 its reverse (54004011), we get a palindrome (65044056).

The spelling of 11040045 in words is "eleven million, forty thousand, forty-five".