129379141855 has 16 divisors (see below), whose sum is σ = 160675257600. Its totient is φ = 99906958080.

The previous prime is 129379141777. The next prime is 129379141901. The reversal of 129379141855 is 558141973921.

It is not a de Polignac number, because 129379141855 - 2¹⁵ = 129379109087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 129379141796 and 129379141805.

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, 1012590 + ... + 1133179.

It is an arithmetic number, because the mean of its divisors is an integer number (10042203600).

Almost surely, 2^129379141855 is an apocalyptic number.

129379141855 is a deficient number, since it is larger than the sum of its proper divisors (31296115745).

129379141855 is a wasteful number, since it uses less digits than its factorization.

129379141855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146194.

The product of its digits is 2721600, while the sum is 55.

The spelling of 129379141855 in words is "one hundred twenty-nine billion, three hundred seventy-nine million, one hundred forty-one thousand, eight hundred fifty-five".