11132231012 has 96 divisors (see below), whose sum is σ = 23843635200. Its totient is φ = 4537172640.

The previous prime is 11132230997. The next prime is 11132231029. The reversal of 11132231012 is 21013223111.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6026273 + ... + 6028119.

It is an arithmetic number, because the mean of its divisors is an integer number (248371200).

Almost surely, 2^11132231012 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 11132231012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11921817600).

11132231012 is an abundant number, since it is smaller than the sum of its proper divisors (12711404188).

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

11132231012 is a wasteful number, since it uses less digits than its factorization.

11132231012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086 (or 2070 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11132231012 its reverse (21013223111), we get a palindrome (32145454123).

The spelling of 11132231012 in words is "eleven billion, one hundred thirty-two million, two hundred thirty-one thousand, twelve".