11045220445 has 16 divisors (see below), whose sum is σ = 15160946688. Its totient is φ = 7567257600.

The previous prime is 11045220437. The next prime is 11045220469. The reversal of 11045220445 is 54402254011.

It is not a de Polignac number, because 11045220445 - 2³ = 11045220437 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, 96804 + ... + 177373.

It is an arithmetic number, because the mean of its divisors is an integer number (947559168).

Almost surely, 2^11045220445 is an apocalyptic number.

It is an amenable number.

11045220445 is a deficient number, since it is larger than the sum of its proper divisors (4115726243).

11045220445 is a wasteful number, since it uses less digits than its factorization.

11045220445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275340.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 11045220445 its reverse (54402254011), we get a palindrome (65447474456).

The spelling of 11045220445 in words is "eleven billion, forty-five million, two hundred twenty thousand, four hundred forty-five".