11430120112 has 80 divisors (see below), whose sum is σ = 23966466048. Its totient is φ = 5265342720.

The previous prime is 11430120071. The next prime is 11430120113. The reversal of 11430120112 is 21102103411.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (11430120113) 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, 2541738 + ... + 2546230.

Almost surely, 2^11430120112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11430120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11983233024).

11430120112 is an abundant number, since it is smaller than the sum of its proper divisors (12536345936).

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

11430120112 is a wasteful number, since it uses less digits than its factorization.

11430120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4778 (or 4772 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11430120112 its reverse (21102103411), we get a palindrome (32532223523).

The spelling of 11430120112 in words is "eleven billion, four hundred thirty million, one hundred twenty thousand, one hundred twelve".