13111201001320 has 64 divisors (see below), whose sum is σ = 29734477516800. Its totient is φ = 5202836997120.

The previous prime is 13111201001293. The next prime is 13111201001329. The reversal of 13111201001320 is 2310010211131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13111201001294 and 13111201001303.

It is not an unprimeable number, because it can be changed into a prime (13111201001329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83838400 + ... + 83994640.

It is an arithmetic number, because the mean of its divisors is an integer number (464601211200).

Almost surely, 2^{13111201001320} is an apocalyptic number.

13111201001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13111201001320 is an abundant number, since it is smaller than the sum of its proper divisors (16623276515480).

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

13111201001320 is a wasteful number, since it uses less digits than its factorization.

13111201001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172898 (or 172894 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 13111201001320 its reverse (2310010211131), we get a palindrome (15421211212451).

The spelling of 13111201001320 in words is "thirteen trillion, one hundred eleven billion, two hundred one million, one thousand, three hundred twenty".