1311110412111 has 16 divisors (see below), whose sum is σ = 1955421948000. Its totient is φ = 868207339584.

The previous prime is 1311110412089. The next prime is 1311110412127. The reversal of 1311110412111 is 1112140111131.

1311110412111 is a `hidden beast` number, since 1 + 31 + 1 + 110 + 412 + 111 = 666.

It is not a de Polignac number, because 1311110412111 - 2⁶ = 1311110412047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311110411111) by changing a digit.

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, 162947806 + ... + 162955851.

It is an arithmetic number, because the mean of its divisors is an integer number (122213871750).

Almost surely, 2^{1311110412111} is an apocalyptic number.

1311110412111 is a deficient number, since it is larger than the sum of its proper divisors (644311535889).

1311110412111 is a wasteful number, since it uses less digits than its factorization.

1311110412111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325903815 (or 325903809 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 18.

Adding to 1311110412111 its reverse (1112140111131), we get a palindrome (2423250523242).

The spelling of 1311110412111 in words is "one trillion, three hundred eleven billion, one hundred ten million, four hundred twelve thousand, one hundred eleven".