12535413135425 has 48 divisors (see below), whose sum is σ = 16754951304960. Its totient is φ = 9273450032640.

The previous prime is 12535413135409. The next prime is 12535413135433. The reversal of 12535413135425 is 52453131453521.

It is not a de Polignac number, because 12535413135425 - 2⁴ = 12535413135409 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7574549 + ... + 9079901.

It is an arithmetic number, because the mean of its divisors is an integer number (349061485520).

Almost surely, 2^{12535413135425} is an apocalyptic number.

It is an amenable number.

12535413135425 is a deficient number, since it is larger than the sum of its proper divisors (4219538169535).

12535413135425 is a wasteful number, since it uses less digits than its factorization.

12535413135425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505802 (or 1505797 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 44.

Adding to 12535413135425 its reverse (52453131453521), we get a palindrome (64988544588946).

The spelling of 12535413135425 in words is "twelve trillion, five hundred thirty-five billion, four hundred thirteen million, one hundred thirty-five thousand, four hundred twenty-five".