129040152655 has 16 divisors (see below), whose sum is σ = 164484126144. Its totient is φ = 96847214080.

The previous prime is 129040152653. The next prime is 129040152671. The reversal of 129040152655 is 556251040921.

It is not a de Polignac number, because 129040152655 - 2¹ = 129040152653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129040152653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2414272 + ... + 2467141.

It is an arithmetic number, because the mean of its divisors is an integer number (10280257884).

Almost surely, 2^129040152655 is an apocalyptic number.

129040152655 is a deficient number, since it is larger than the sum of its proper divisors (35443973489).

129040152655 is a wasteful number, since it uses less digits than its factorization.

129040152655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4881746.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 129040152655 in words is "one hundred twenty-nine billion, forty million, one hundred fifty-two thousand, six hundred fifty-five".