13448657205725 has 24 divisors (see below), whose sum is σ = 19464172094208. Its totient is φ = 9025724952000.

The previous prime is 13448657205661. The next prime is 13448657205757. The reversal of 13448657205725 is 52750275684431.

It is not a de Polignac number, because 13448657205725 - 2⁶ = 13448657205661 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 817539326 + ... + 817555775.

It is an arithmetic number, because the mean of its divisors is an integer number (811007170592).

Almost surely, 2^{13448657205725} is an apocalyptic number.

It is an amenable number.

13448657205725 is a deficient number, since it is larger than the sum of its proper divisors (6015514888483).

13448657205725 is a wasteful number, since it uses less digits than its factorization.

13448657205725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635095165 (or 1635095160 counting only the distinct ones).

The product of its (nonzero) digits is 56448000, while the sum is 59.

The spelling of 13448657205725 in words is "thirteen trillion, four hundred forty-eight billion, six hundred fifty-seven million, two hundred five thousand, seven hundred twenty-five".