11320045 has 16 divisors (see below), whose sum is σ = 15691968. Its totient is φ = 7747840.

The previous prime is 11320031. The next prime is 11320061. The reversal of 11320045 is 54002311.

11320045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11320045 - 2⁵ = 11320013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5119 + ... + 6988.

It is an arithmetic number, because the mean of its divisors is an integer number (980748).

Almost surely, 2^11320045 is an apocalyptic number.

It is an amenable number.

11320045 is a deficient number, since it is larger than the sum of its proper divisors (4371923).

11320045 is a wasteful number, since it uses less digits than its factorization.

11320045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12140.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 11320045 is about 3364.5274556764. The cubic root of 11320045 is about 224.5343125415.

Adding to 11320045 its reverse (54002311), we get a palindrome (65322356).

The spelling of 11320045 in words is "eleven million, three hundred twenty thousand, forty-five".