11130231112 has 128 divisors (see below), whose sum is σ = 28672680960. Its totient is φ = 3909669120.

The previous prime is 11130231107. The next prime is 11130231121. The reversal of 11130231112 is 21113203111.

It is a happy number.

11130231112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 328183 + ... + 360505.

It is an arithmetic number, because the mean of its divisors is an integer number (224005320).

Almost surely, 2^11130231112 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 11130231112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14336340480).

11130231112 is an abundant number, since it is smaller than the sum of its proper divisors (17542449848).

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

11130231112 is a wasteful number, since it uses less digits than its factorization.

11130231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32403 (or 32399 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11130231112 its reverse (21113203111), we get a palindrome (32243434223).

It can be divided in two parts, 11130 and 231112, that added together give a palindrome (242242).

The spelling of 11130231112 in words is "eleven billion, one hundred thirty million, two hundred thirty-one thousand, one hundred twelve".