1331113344111 has 24 divisors (see below), whose sum is σ = 1968163404480. Its totient is φ = 866521898496.

The previous prime is 1331113344097. The next prime is 1331113344149. The reversal of 1331113344111 is 1114433111331.

1331113344111 is a `hidden beast` number, since 1 + 3 + 311 + 1 + 3 + 344 + 1 + 1 + 1 = 666.

It is not a de Polignac number, because 1331113344111 - 2¹¹ = 1331113342063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331113344181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3450606 + ... + 3816923.

It is an arithmetic number, because the mean of its divisors is an integer number (82006808520).

Almost surely, 2^{1331113344111} is an apocalyptic number.

1331113344111 is a deficient number, since it is larger than the sum of its proper divisors (637050060369).

1331113344111 is a wasteful number, since it uses less digits than its factorization.

1331113344111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7268015 (or 7268012 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

Adding to 1331113344111 its reverse (1114433111331), we get a palindrome (2445546455442).

The spelling of 1331113344111 in words is "one trillion, three hundred thirty-one billion, one hundred thirteen million, three hundred forty-four thousand, one hundred eleven".