11131132012 has 96 divisors (see below), whose sum is σ = 26711193600. Its totient is φ = 3917963520.

The previous prime is 11131131983. The next prime is 11131132039. The reversal of 11131132012 is 21023113111.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158614 + ... + 217762.

It is an arithmetic number, because the mean of its divisors is an integer number (278241600).

Almost surely, 2^11131132012 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 11131132012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13355596800).

11131132012 is an abundant number, since it is smaller than the sum of its proper divisors (15580061588).

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

11131132012 is a wasteful number, since it uses less digits than its factorization.

11131132012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59231 (or 59229 counting only the distinct ones).

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

Adding to 11131132012 its reverse (21023113111), we get a palindrome (32154245123).

The spelling of 11131132012 in words is "eleven billion, one hundred thirty-one million, one hundred thirty-two thousand, twelve".