11045272 has 32 divisors (see below), whose sum is σ = 24076800. Its totient is φ = 4652064.

The previous prime is 11045249. The next prime is 11045273. The reversal of 11045272 is 27254011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11045273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1633 + ... + 4975.

It is an arithmetic number, because the mean of its divisors is an integer number (752400).

Almost surely, 2^11045272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11045272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12038400).

11045272 is an abundant number, since it is smaller than the sum of its proper divisors (13031528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11045272 is a wasteful number, since it uses less digits than its factorization.

11045272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415 (or 3411 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 11045272 is about 3323.4427932492. The cubic root of 11045272 is about 222.7026945580.

Adding to 11045272 its reverse (27254011), we get a palindrome (38299283).

The spelling of 11045272 in words is "eleven million, forty-five thousand, two hundred seventy-two".