13805525853 has 12 divisors (see below), whose sum is σ = 22790074528. Its totient is φ = 7888871880.

The previous prime is 13805525843. The next prime is 13805525857. The reversal of 13805525853 is 35852550831.

13805525853 is a `hidden beast` number, since 13 + 8 + 0 + 5 + 52 + 585 + 3 = 666.

It is not a de Polignac number, because 13805525853 - 2⁵ = 13805525821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13805525799 and 13805525808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13805525857) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 109567603 + ... + 109567728.

Almost surely, 2^13805525853 is an apocalyptic number.

It is an amenable number.

13805525853 is a deficient number, since it is larger than the sum of its proper divisors (8984548675).

13805525853 is a wasteful number, since it uses less digits than its factorization.

13805525853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219135344 (or 219135341 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The spelling of 13805525853 in words is "thirteen billion, eight hundred five million, five hundred twenty-five thousand, eight hundred fifty-three".