13111344203232 has 48 divisors (see below), whose sum is σ = 37546122039552. Its totient is φ = 3973134606720.

The previous prime is 13111344203227. The next prime is 13111344203257. The reversal of 13111344203232 is 23230244311131.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 13111344203232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6208021768 + ... + 6208023879.

It is an arithmetic number, because the mean of its divisors is an integer number (782210875824).

Almost surely, 2^{13111344203232} is an apocalyptic number.

13111344203232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13111344203232 is an abundant number, since it is smaller than the sum of its proper divisors (24434777836320).

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

13111344203232 is a wasteful number, since it uses less digits than its factorization.

13111344203232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12416045671 (or 12416045663 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 13111344203232 its reverse (23230244311131), we get a palindrome (36341588514363).

The spelling of 13111344203232 in words is "thirteen trillion, one hundred eleven billion, three hundred forty-four million, two hundred three thousand, two hundred thirty-two".