13525525143 has 24 divisors (see below), whose sum is σ = 21044063040. Its totient is φ = 8321676480.

The previous prime is 13525525133. The next prime is 13525525163. The reversal of 13525525143 is 34152552531.

13525525143 is a `hidden beast` number, since 1 + 3 + 52 + 552 + 51 + 4 + 3 = 666.

13525525143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13525525143 - 2⁴ = 13525525127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13525525098 and 13525525107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13525525133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 776338 + ... + 793568.

It is an arithmetic number, because the mean of its divisors is an integer number (876835960).

Almost surely, 2^13525525143 is an apocalyptic number.

13525525143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13525525143 is a deficient number, since it is larger than the sum of its proper divisors (7518537897).

13525525143 is a wasteful number, since it uses less digits than its factorization.

13525525143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23959 (or 23956 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The spelling of 13525525143 in words is "thirteen billion, five hundred twenty-five million, five hundred twenty-five thousand, one hundred forty-three".