11331123013320 has 256 divisors, whose sum is σ = 37177395655680. Its totient is φ = 2740004736000.

The previous prime is 11331123013313. The next prime is 11331123013321. The reversal of 11331123013320 is 2331032113311.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (11331123013321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1063849995 + ... + 1063860645.

It is an arithmetic number, because the mean of its divisors is an integer number (145224201780).

Almost surely, 2^{11331123013320} is an apocalyptic number.

11331123013320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11331123013320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18588697827840).

11331123013320 is an abundant number, since it is smaller than the sum of its proper divisors (25846272642360).

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

11331123013320 is a wasteful number, since it uses less digits than its factorization.

11331123013320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12636 (or 12632 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 11331123013320 its reverse (2331032113311), we get a palindrome (13662155126631).

Subtracting from 11331123013320 its reverse (2331032113311), we obtain a palindrome (9000090900009).

The spelling of 11331123013320 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-three million, thirteen thousand, three hundred twenty".