129544537055 has 16 divisors (see below), whose sum is σ = 159261004224. Its totient is φ = 101097765120.

The previous prime is 129544537049. The next prime is 129544537099. The reversal of 129544537055 is 550735445921.

It is not a de Polignac number, because 129544537055 - 2⁴ = 129544537039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129544536994 and 129544537012.

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, 2504717 + ... + 2555913.

It is an arithmetic number, because the mean of its divisors is an integer number (9953812764).

Almost surely, 2^129544537055 is an apocalyptic number.

129544537055 is a deficient number, since it is larger than the sum of its proper divisors (29716467169).

129544537055 is a wasteful number, since it uses less digits than its factorization.

129544537055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63586.

The product of its (nonzero) digits is 3780000, while the sum is 50.

The spelling of 129544537055 in words is "one hundred twenty-nine billion, five hundred forty-four million, five hundred thirty-seven thousand, fifty-five".