11311320303120 has 80 divisors (see below), whose sum is σ = 35066072949120. Its totient is φ = 3016267779072.

The previous prime is 11311320303109. The next prime is 11311320303191. The reversal of 11311320303120 is 2130302311311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8193957 + ... + 9474363.

It is an arithmetic number, because the mean of its divisors is an integer number (438325911864).

Almost surely, 2^{11311320303120} is an apocalyptic number.

11311320303120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11311320303120 is an abundant number, since it is smaller than the sum of its proper divisors (23754752646000).

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

11311320303120 is a wasteful number, since it uses less digits than its factorization.

11311320303120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317232 (or 1317226 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 11311320303120 its reverse (2130302311311), we get a palindrome (13441622614431).

The spelling of 11311320303120 in words is "eleven trillion, three hundred eleven billion, three hundred twenty million, three hundred three thousand, one hundred twenty".