11331131233232 has 40 divisors (see below), whose sum is σ = 22098894801192. Its totient is φ = 5628277670400.

The previous prime is 11331131233231. The next prime is 11331131233291. The reversal of 11331131233232 is 23233213113311.

It can be written as a sum of positive squares in 4 ways, for example, as 8754284407696 + 2576846825536 = 2958764^2 + 1605256^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11331131233195 and 11331131233204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331131233231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635819 + ... + 4802762.

Almost surely, 2^{11331131233232} is an apocalyptic number.

It is an amenable number.

11331131233232 is a deficient number, since it is larger than the sum of its proper divisors (10767763567960).

11331131233232 is a wasteful number, since it uses less digits than its factorization.

11331131233232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5439447 (or 5439441 counting only the distinct ones).

The product of its digits is 5832, while the sum is 29.

Adding to 11331131233232 its reverse (23233213113311), we get a palindrome (34564344346543).

The spelling of 11331131233232 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, two hundred thirty-three thousand, two hundred thirty-two".