11443864180 has 96 divisors (see below), whose sum is σ = 27722903040. Its totient is φ = 3886963200.

The previous prime is 11443864171. The next prime is 11443864183. The reversal of 11443864180 is 8146834411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11443864183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13804006 + ... + 13804834.

It is an arithmetic number, because the mean of its divisors is an integer number (288780240).

Almost surely, 2^11443864180 is an apocalyptic number.

11443864180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11443864180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13861451520).

11443864180 is an abundant number, since it is smaller than the sum of its proper divisors (16279038860).

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

11443864180 is a wasteful number, since it uses less digits than its factorization.

11443864180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 11443864180 in words is "eleven billion, four hundred forty-three million, eight hundred sixty-four thousand, one hundred eighty".