135523545513125 has 120 divisors (see below), whose sum is σ = 215800124855040. Its totient is φ = 84131611200000.

The previous prime is 135523545513113. The next prime is 135523545513131. The reversal of 135523545513125 is 521315545325531.

It is not a de Polignac number, because 135523545513125 - 2⁸ = 135523545512869 is a prime.

It is a super-3 number, since 3×135523545513125³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 80352236 + ... + 82021514.

It is an arithmetic number, because the mean of its divisors is an integer number (1798334373792).

Almost surely, 2^{135523545513125} is an apocalyptic number.

It is an amenable number.

135523545513125 is a deficient number, since it is larger than the sum of its proper divisors (80276579341915).

135523545513125 is a wasteful number, since it uses less digits than its factorization.

135523545513125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669565 (or 1669543 counting only the distinct ones).

The product of its digits is 6750000, while the sum is 50.

The spelling of 135523545513125 in words is "one hundred thirty-five trillion, five hundred twenty-three billion, five hundred forty-five million, five hundred thirteen thousand, one hundred twenty-five".