11045140 has 24 divisors (see below), whose sum is σ = 23292360. Its totient is φ = 4399488.

The previous prime is 11045131. The next prime is 11045159. The reversal of 11045140 is 4154011.

It can be written as a sum of positive squares in 4 ways, for example, as 49284 + 10995856 = 222^2 + 3316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4354 + ... + 6406.

It is an arithmetic number, because the mean of its divisors is an integer number (970515).

Almost surely, 2^11045140 is an apocalyptic number.

11045140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11045140 is an abundant number, since it is smaller than the sum of its proper divisors (12247220).

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

11045140 is a wasteful number, since it uses less digits than its factorization.

11045140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331 (or 2329 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 11045140 is about 3323.4229342652. The cubic root of 11045140 is about 222.7018073949.

Adding to 11045140 its reverse (4154011), we get a palindrome (15199151).

The spelling of 11045140 in words is "eleven million, forty-five thousand, one hundred forty".