1313533505125 has 32 divisors (see below), whose sum is σ = 1726492435200. Its totient is φ = 994986936000.

The previous prime is 1313533505093. The next prime is 1313533505147. The reversal of 1313533505125 is 5215053353131.

It is not a de Polignac number, because 1313533505125 - 2⁵ = 1313533505093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4315455 + ... + 4609795.

It is an arithmetic number, because the mean of its divisors is an integer number (53952888600).

Almost surely, 2^{1313533505125} is an apocalyptic number.

It is an amenable number.

1313533505125 is a deficient number, since it is larger than the sum of its proper divisors (412958930075).

1313533505125 is a wasteful number, since it uses less digits than its factorization.

1313533505125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296254 (or 296244 counting only the distinct ones).

The product of its (nonzero) digits is 101250, while the sum is 37.

Adding to 1313533505125 its reverse (5215053353131), we get a palindrome (6528586858256).

The spelling of 1313533505125 in words is "one trillion, three hundred thirteen billion, five hundred thirty-three million, five hundred five thousand, one hundred twenty-five".