13886803085525 has 24 divisors (see below), whose sum is σ = 17235402414984. Its totient is φ = 11099273907200.

The previous prime is 13886803085509. The next prime is 13886803085579. The reversal of 13886803085525 is 52558030868831.

It can be written as a sum of positive squares in 12 ways, for example, as 2903418339364 + 10983384746161 = 1703942^2 + 3314119^2 .

It is not a de Polignac number, because 13886803085525 - 2⁴ = 13886803085509 is a prime.

It is a super-2 number, since 2×13886803085525² (a number of 27 digits) contains 22 as substring.

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, 174678785 + ... + 174758265.

It is an arithmetic number, because the mean of its divisors is an integer number (718141767291).

Almost surely, 2^{13886803085525} is an apocalyptic number.

It is an amenable number.

13886803085525 is a deficient number, since it is larger than the sum of its proper divisors (3348599329459).

13886803085525 is a wasteful number, since it uses less digits than its factorization.

13886803085525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85801 (or 85796 counting only the distinct ones).

The product of its (nonzero) digits is 55296000, while the sum is 62.

The spelling of 13886803085525 in words is "thirteen trillion, eight hundred eighty-six billion, eight hundred three million, eighty-five thousand, five hundred twenty-five".