129515752053 has 48 divisors (see below), whose sum is σ = 193270910976. Its totient is φ = 83533376160.

The previous prime is 129515752039. The next prime is 129515752057. The reversal of 129515752053 is 350257515921.

129515752053 is a `hidden beast` number, since 1 + 2 + 9 + 5 + 1 + 575 + 20 + 53 = 666.

It is not a de Polignac number, because 129515752053 - 2⁸ = 129515751797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129515752057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14569176 + ... + 14578062.

It is an arithmetic number, because the mean of its divisors is an integer number (4026477312).

Almost surely, 2^129515752053 is an apocalyptic number.

It is an amenable number.

129515752053 is a deficient number, since it is larger than the sum of its proper divisors (63755158923).

129515752053 is a wasteful number, since it uses less digits than its factorization.

129515752053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9334 (or 9331 counting only the distinct ones).

The product of its (nonzero) digits is 472500, while the sum is 45.

The spelling of 129515752053 in words is "one hundred twenty-nine billion, five hundred fifteen million, seven hundred fifty-two thousand, fifty-three".