11040043452 has 48 divisors (see below), whose sum is σ = 26047537152. Its totient is φ = 3639142080.

The previous prime is 11040043439. The next prime is 11040043453. The reversal of 11040043452 is 25434004011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040043453) 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, 462318 + ... + 485610.

It is an arithmetic number, because the mean of its divisors is an integer number (542657024).

Almost surely, 2^11040043452 is an apocalyptic number.

11040043452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11040043452 is an abundant number, since it is smaller than the sum of its proper divisors (15007493700).

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

11040043452 is a wasteful number, since it uses less digits than its factorization.

11040043452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23738 (or 23736 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 11040043452 its reverse (25434004011), we get a palindrome (36474047463).

The spelling of 11040043452 in words is "eleven billion, forty million, forty-three thousand, four hundred fifty-two".