11131225336 has 128 divisors (see below), whose sum is σ = 27272448000. Its totient is φ = 4219205760.

The previous prime is 11131225289. The next prime is 11131225349. The reversal of 11131225336 is 63352213111.

It is a happy number.

11131225336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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, 1111825 + ... + 1121791.

It is an arithmetic number, because the mean of its divisors is an integer number (213066000).

Almost surely, 2^11131225336 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 11131225336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13636224000).

11131225336 is an abundant number, since it is smaller than the sum of its proper divisors (16141222664).

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

11131225336 is a wasteful number, since it uses less digits than its factorization.

11131225336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10042 (or 10024 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

Adding to 11131225336 its reverse (63352213111), we get a palindrome (74483438447).

The spelling of 11131225336 in words is "eleven billion, one hundred thirty-one million, two hundred twenty-five thousand, three hundred thirty-six".