1311111055334 has 16 divisors (see below), whose sum is σ = 2034890100000. Its totient is φ = 632823409344.

The previous prime is 1311111055333. The next prime is 1311111055349. The reversal of 1311111055334 is 4335501111131.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 1311111055297 and 1311111055306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311111055333) 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 7 ways as a sum of consecutive naturals, for example, 1971047 + ... + 2550930.

It is an arithmetic number, because the mean of its divisors is an integer number (127180631250).

Almost surely, 2^{1311111055334} is an apocalyptic number.

1311111055334 is a deficient number, since it is larger than the sum of its proper divisors (723779044666).

1311111055334 is a wasteful number, since it uses less digits than its factorization.

1311111055334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4527007.

The product of its (nonzero) digits is 2700, while the sum is 29.

Adding to 1311111055334 its reverse (4335501111131), we get a palindrome (5646612166465).

The spelling of 1311111055334 in words is "one trillion, three hundred eleven billion, one hundred eleven million, fifty-five thousand, three hundred thirty-four".