11443420120 has 96 divisors (see below), whose sum is σ = 29966176800. Its totient is φ = 3916436480.

The previous prime is 11443420117. The next prime is 11443420123. The reversal of 11443420120 is 2102434411.

It is a happy number.

11443420120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11443420117) and next prime (11443420123).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 11443420091 and 11443420100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11443420123) 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 23 ways as a sum of consecutive naturals, for example, 12741 + ... + 151819.

It is an arithmetic number, because the mean of its divisors is an integer number (312147675).

Almost surely, 2^11443420120 is an apocalyptic number.

11443420120 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 11443420120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14983088400).

11443420120 is an abundant number, since it is smaller than the sum of its proper divisors (18522756680).

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

11443420120 is a wasteful number, since it uses less digits than its factorization.

11443420120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139129 (or 139114 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11443420120 its reverse (2102434411), we get a palindrome (13545854531).

The spelling of 11443420120 in words is "eleven billion, four hundred forty-three million, four hundred twenty thousand, one hundred twenty".