1313555111413 has 4 divisors (see below), whose sum is σ = 1314807309900. Its totient is φ = 1312302912928.

The previous prime is 1313555111387. The next prime is 1313555111419. The reversal of 1313555111413 is 3141115553131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 464064775729 + 849490335684 = 681223^2 + 921678^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313555111413 - 2¹³ = 1313555103221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313555111419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626097670 + ... + 626099767.

It is an arithmetic number, because the mean of its divisors is an integer number (328701827475).

Almost surely, 2^{1313555111413} is an apocalyptic number.

It is an amenable number.

1313555111413 is a deficient number, since it is larger than the sum of its proper divisors (1252198487).

1313555111413 is a wasteful number, since it uses less digits than its factorization.

1313555111413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252198486.

The product of its digits is 13500, while the sum is 34.

The spelling of 1313555111413 in words is "one trillion, three hundred thirteen billion, five hundred fifty-five million, one hundred eleven thousand, four hundred thirteen".