1311241426439 has 24 divisors (see below), whose sum is σ = 1533275412480. Its totient is φ = 1118070232944.

The previous prime is 1311241426409. The next prime is 1311241426441. The reversal of 1311241426439 is 9346241421131.

It is a de Polignac number, because none of the positive numbers 2^k-1311241426439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1311241426396 and 1311241426405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311241426409) 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, 11454962 + ... + 11568864.

It is an arithmetic number, because the mean of its divisors is an integer number (63886475520).

Almost surely, 2^{1311241426439} is an apocalyptic number.

1311241426439 is a deficient number, since it is larger than the sum of its proper divisors (222033986041).

1311241426439 is a wasteful number, since it uses less digits than its factorization.

1311241426439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115139 (or 115132 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The spelling of 1311241426439 in words is "one trillion, three hundred eleven billion, two hundred forty-one million, four hundred twenty-six thousand, four hundred thirty-nine".