11331011331320 has 32 divisors (see below), whose sum is σ = 25912722640320. Its totient is φ = 4458102817920.

The previous prime is 11331011331293. The next prime is 11331011331331. The reversal of 11331011331320 is 2313311013311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2321926112 + ... + 2321930991.

It is an arithmetic number, because the mean of its divisors is an integer number (809772582510).

Almost surely, 2^{11331011331320} is an apocalyptic number.

11331011331320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331011331320 is an abundant number, since it is smaller than the sum of its proper divisors (14581711309000).

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

11331011331320 is a wasteful number, since it uses less digits than its factorization.

11331011331320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4643857175 (or 4643857171 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 11331011331320 its reverse (2313311013311), we get a palindrome (13644322344631).

The spelling of 11331011331320 in words is "eleven trillion, three hundred thirty-one billion, eleven million, three hundred thirty-one thousand, three hundred twenty".