13525131143 has 16 divisors (see below), whose sum is σ = 14222684160. Its totient is φ = 12845368800.

The previous prime is 13525131097. The next prime is 13525131181. The reversal of 13525131143 is 34113152531.

13525131143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13525131143 - 2⁶ = 13525131079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13525131043) 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 15 ways as a sum of consecutive naturals, for example, 550853 + ... + 574881.

It is an arithmetic number, because the mean of its divisors is an integer number (888917760).

Almost surely, 2^13525131143 is an apocalyptic number.

13525131143 is a deficient number, since it is larger than the sum of its proper divisors (697553017).

13525131143 is a wasteful number, since it uses less digits than its factorization.

13525131143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24398.

The product of its digits is 5400, while the sum is 29.

Adding to 13525131143 its reverse (34113152531), we get a palindrome (47638283674).

The spelling of 13525131143 in words is "thirteen billion, five hundred twenty-five million, one hundred thirty-one thousand, one hundred forty-three".