11331123223232 has 56 divisors (see below), whose sum is σ = 23271565648800. Its totient is φ = 5467606695936.

The previous prime is 11331123223201. The next prime is 11331123223249. The reversal of 11331123223232 is 23232232113311.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 11331123223195 and 11331123223204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2477069 + ... + 5366387.

It is an arithmetic number, because the mean of its divisors is an integer number (415563672300).

Almost surely, 2^{11331123223232} 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 11331123223232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11635782824400).

11331123223232 is an abundant number, since it is smaller than the sum of its proper divisors (11940442425568).

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

11331123223232 is a wasteful number, since it uses less digits than its factorization.

11331123223232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891473 (or 2891463 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

Adding to 11331123223232 its reverse (23232232113311), we get a palindrome (34563355336543).

The spelling of 11331123223232 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-three million, two hundred twenty-three thousand, two hundred thirty-two".