11173267220 has 24 divisors (see below), whose sum is σ = 23526782664. Its totient is φ = 4457321856.

The previous prime is 11173267207. The next prime is 11173267229. The reversal of 11173267220 is 2276237111.

11173267220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 82228624 + 11091038596 = 9068^2 + 105314^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11173267229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741419 + ... + 756338.

It is an arithmetic number, because the mean of its divisors is an integer number (980282611).

Almost surely, 2^11173267220 is an apocalyptic number.

11173267220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11173267220 is an abundant number, since it is smaller than the sum of its proper divisors (12353515444).

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

11173267220 is a wasteful number, since it uses less digits than its factorization.

11173267220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498139 (or 1498137 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The spelling of 11173267220 in words is "eleven billion, one hundred seventy-three million, two hundred sixty-seven thousand, two hundred twenty".