1313606603256 has 16 divisors (see below), whose sum is σ = 3284016508200. Its totient is φ = 437868867744.

The previous prime is 1313606603251. The next prime is 1313606603297. The reversal of 1313606603256 is 6523066063131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313606603251) 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 3 ways as a sum of consecutive naturals, for example, 27366804211 + ... + 27366804258.

Almost surely, 2^{1313606603256} is an apocalyptic number.

It is an amenable number.

1313606603256 is an abundant number, since it is smaller than the sum of its proper divisors (1970409904944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313606603256 is a wasteful number, since it uses less digits than its factorization.

1313606603256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54733608478 (or 54733608474 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 42.

The spelling of 1313606603256 in words is "one trillion, three hundred thirteen billion, six hundred six million, six hundred three thousand, two hundred fifty-six".