129553103253 has 32 divisors (see below), whose sum is σ = 204446556160. Its totient is φ = 71408796480.

The previous prime is 129553103233. The next prime is 129553103279. The reversal of 129553103253 is 352301355921.

It is a happy number.

It is not a de Polignac number, because 129553103253 - 2⁶ = 129553103189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129553103233) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 124258 + ... + 523971.

It is an arithmetic number, because the mean of its divisors is an integer number (6388954880).

Almost surely, 2^129553103253 is an apocalyptic number.

It is an amenable number.

129553103253 is a deficient number, since it is larger than the sum of its proper divisors (74893452907).

129553103253 is a wasteful number, since it uses less digits than its factorization.

129553103253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648577.

The product of its (nonzero) digits is 121500, while the sum is 39.

The spelling of 129553103253 in words is "one hundred twenty-nine billion, five hundred fifty-three million, one hundred three thousand, two hundred fifty-three".