135250355565525 has 24 divisors (see below), whose sum is σ = 228814244956000. Its totient is φ = 70455999176640.

The previous prime is 135250355565487. The next prime is 135250355565529. The reversal of 135250355565525 is 525565553052531.

It is a happy number.

It is not a de Polignac number, because 135250355565525 - 2⁶ = 135250355565461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135250355565529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20969044150 + ... + 20969050599.

Almost surely, 2^{135250355565525} is an apocalyptic number.

135250355565525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135250355565525 is a deficient number, since it is larger than the sum of its proper divisors (93563889390475).

135250355565525 is a wasteful number, since it uses less digits than its factorization.

135250355565525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41938094805 (or 41938094800 counting only the distinct ones).

The product of its (nonzero) digits is 84375000, while the sum is 57.

The spelling of 135250355565525 in words is "one hundred thirty-five trillion, two hundred fifty billion, three hundred fifty-five million, five hundred sixty-five thousand, five hundred twenty-five".