1320103311104 has 72 divisors (see below), whose sum is σ = 2655462477360. Its totient is φ = 654942855168.

The previous prime is 1320103311071. The next prime is 1320103311143. The reversal of 1320103311104 is 4011133010231.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 94091162 + ... + 94105190.

Almost surely, 2^{1320103311104} 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 1320103311104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1327731238680).

1320103311104 is an abundant number, since it is smaller than the sum of its proper divisors (1335359166256).

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

1320103311104 is a wasteful number, since it uses less digits than its factorization.

1320103311104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16865 (or 16851 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1320103311104 its reverse (4011133010231), we get a palindrome (5331236321335).

The spelling of 1320103311104 in words is "one trillion, three hundred twenty billion, one hundred three million, three hundred eleven thousand, one hundred four".