1313553056143 has 4 divisors (see below), whose sum is σ = 1370664058608. Its totient is φ = 1256442053680.

The previous prime is 1313553056129. The next prime is 1313553056173. The reversal of 1313553056143 is 3416503553131.

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

It is a cyclic number.

It is not a de Polignac number, because 1313553056143 - 2¹⁷ = 1313552925071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313553056096 and 1313553056105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313553056173) 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, 28555501198 + ... + 28555501243.

It is an arithmetic number, because the mean of its divisors is an integer number (342666014652).

Almost surely, 2^{1313553056143} is an apocalyptic number.

1313553056143 is a deficient number, since it is larger than the sum of its proper divisors (57111002465).

1313553056143 is an equidigital number, since it uses as much as digits as its factorization.

1313553056143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57111002464.

The product of its (nonzero) digits is 243000, while the sum is 40.

The spelling of 1313553056143 in words is "one trillion, three hundred thirteen billion, five hundred fifty-three million, fifty-six thousand, one hundred forty-three".