13535245215125 has 16 divisors (see below), whose sum is σ = 17474468310000. Its totient is φ = 10454810094400.

The previous prime is 13535245215047. The next prime is 13535245215133. The reversal of 13535245215125 is 52151254253531.

It can be written as a sum of positive squares in 8 ways, for example, as 3407620008676 + 10127625206449 = 1845974^2 + 3182393^2 .

It is not a de Polignac number, because 13535245215125 - 2²⁸ = 13534976779669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1866926750 + ... + 1866933999.

It is an arithmetic number, because the mean of its divisors is an integer number (1092154269375).

Almost surely, 2^{13535245215125} is an apocalyptic number.

It is an amenable number.

13535245215125 is a deficient number, since it is larger than the sum of its proper divisors (3939223094875).

13535245215125 is an equidigital number, since it uses as much as digits as its factorization.

13535245215125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733860793 (or 3733860783 counting only the distinct ones).

The product of its digits is 900000, while the sum is 44.

Adding to 13535245215125 its reverse (52151254253531), we get a palindrome (65686499468656).

The spelling of 13535245215125 in words is "thirteen trillion, five hundred thirty-five billion, two hundred forty-five million, two hundred fifteen thousand, one hundred twenty-five".