129563516445 has 16 divisors (see below), whose sum is σ = 226147228992. Its totient is φ = 62818674560.

The previous prime is 129563516429. The next prime is 129563516477. The reversal of 129563516445 is 544615365921.

It is not a de Polignac number, because 129563516445 - 2⁴ = 129563516429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392616552 + ... + 392616881.

It is an arithmetic number, because the mean of its divisors is an integer number (14134201812).

Almost surely, 2^129563516445 is an apocalyptic number.

129563516445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

129563516445 is a deficient number, since it is larger than the sum of its proper divisors (96583712547).

129563516445 is a wasteful number, since it uses less digits than its factorization.

129563516445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785233452.

The product of its digits is 3888000, while the sum is 51.

The spelling of 129563516445 in words is "one hundred twenty-nine billion, five hundred sixty-three million, five hundred sixteen thousand, four hundred forty-five".