13535311525012 has 12 divisors (see below), whose sum is σ = 24190769534400. Its totient is φ = 6623663086616.

The previous prime is 13535311525007. The next prime is 13535311525049. The reversal of 13535311525012 is 21052511353531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35998168762 + ... + 35998169137.

It is an arithmetic number, because the mean of its divisors is an integer number (2015897461200).

Almost surely, 2^{13535311525012} is an apocalyptic number.

It is an amenable number.

13535311525012 is a deficient number, since it is larger than the sum of its proper divisors (10655458009388).

13535311525012 is a wasteful number, since it uses less digits than its factorization.

13535311525012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71996337950 (or 71996337948 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 37.

Adding to 13535311525012 its reverse (21052511353531), we get a palindrome (34587822878543).

The spelling of 13535311525012 in words is "thirteen trillion, five hundred thirty-five billion, three hundred eleven million, five hundred twenty-five thousand, twelve".