129589880525 has 24 divisors (see below), whose sum is σ = 183757822080. Its totient is φ = 88808189760.

The previous prime is 129589880491. The next prime is 129589880549. The reversal of 129589880525 is 525088985921.

It is not a de Polignac number, because 129589880525 - 2²⁰ = 129588831949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70232 + ... + 513918.

It is an arithmetic number, because the mean of its divisors is an integer number (7656575920).

Almost surely, 2^129589880525 is an apocalyptic number.

It is an amenable number.

129589880525 is a deficient number, since it is larger than the sum of its proper divisors (54167941555).

129589880525 is a wasteful number, since it uses less digits than its factorization.

129589880525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445373 (or 445368 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 62.

The spelling of 129589880525 in words is "one hundred twenty-nine billion, five hundred eighty-nine million, eight hundred eighty thousand, five hundred twenty-five".