1313425126605 has 32 divisors (see below), whose sum is σ = 2227461700608. Its totient is φ = 658587161600.

The previous prime is 1313425126589. The next prime is 1313425126613. The reversal of 1313425126605 is 5066215243131.

It is a happy number.

It is not a de Polignac number, because 1313425126605 - 2⁴ = 1313425126589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2496861 + ... + 2976770.

It is an arithmetic number, because the mean of its divisors is an integer number (69608178144).

Almost surely, 2^{1313425126605} is an apocalyptic number.

1313425126605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1313425126605 is a deficient number, since it is larger than the sum of its proper divisors (914036574003).

1313425126605 is a wasteful number, since it uses less digits than its factorization.

1313425126605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5474597.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 1313425126605 in words is "one trillion, three hundred thirteen billion, four hundred twenty-five million, one hundred twenty-six thousand, six hundred five".