13525143211 has 4 divisors (see below), whose sum is σ = 13525606152. Its totient is φ = 13524680272.

The previous prime is 13525143173. The next prime is 13525143259. The reversal of 13525143211 is 11234152531.

13525143211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13525143211 - 2²¹ = 13523046059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13525143211.

It is not an unprimeable number, because it can be changed into a prime (13525113211) 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 3 ways as a sum of consecutive naturals, for example, 184465 + ... + 247138.

It is an arithmetic number, because the mean of its divisors is an integer number (3381401538).

Almost surely, 2^13525143211 is an apocalyptic number.

13525143211 is a deficient number, since it is larger than the sum of its proper divisors (462941).

13525143211 is an equidigital number, since it uses as much as digits as its factorization.

13525143211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462940.

The product of its digits is 3600, while the sum is 28.

Adding to 13525143211 its reverse (11234152531), we get a palindrome (24759295742).

The spelling of 13525143211 in words is "thirteen billion, five hundred twenty-five million, one hundred forty-three thousand, two hundred eleven".