11043343323220 has 48 divisors (see below), whose sum is σ = 25836150710160. Its totient is φ = 3936937245696.

The previous prime is 11043343323211. The next prime is 11043343323227. The reversal of 11043343323220 is 2232334334011.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2122930592784 + 8920412730436 = 1457028^2 + 2986706^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11043343323227) 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, 732309657 + ... + 732324736.

It is an arithmetic number, because the mean of its divisors is an integer number (538253139795).

Almost surely, 2^{11043343323220} is an apocalyptic number.

11043343323220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11043343323220 is an abundant number, since it is smaller than the sum of its proper divisors (14792807386940).

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

11043343323220 is a wasteful number, since it uses less digits than its factorization.

11043343323220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464634444 (or 1464634442 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 11043343323220 its reverse (2232334334011), we get a palindrome (13275677657231).

The spelling of 11043343323220 in words is "eleven trillion, forty-three billion, three hundred forty-three million, three hundred twenty-three thousand, two hundred twenty".