1311113133421 has 8 divisors (see below), whose sum is σ = 1613677702784. Its totient is φ = 1037364237360.

The previous prime is 1311113133401. The next prime is 1311113133437. The reversal of 1311113133421 is 1243313111131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311113133421 - 2¹⁵ = 1311113100653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311113133401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7203918225 + ... + 7203918406.

It is an arithmetic number, because the mean of its divisors is an integer number (201709712848).

Almost surely, 2^{1311113133421} is an apocalyptic number.

It is an amenable number.

1311113133421 is a deficient number, since it is larger than the sum of its proper divisors (302564569363).

1311113133421 is a wasteful number, since it uses less digits than its factorization.

1311113133421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14407836651.

The product of its digits is 648, while the sum is 25.

Adding to 1311113133421 its reverse (1243313111131), we get a palindrome (2554426244552).

The spelling of 1311113133421 in words is "one trillion, three hundred eleven billion, one hundred thirteen million, one hundred thirty-three thousand, four hundred twenty-one".