255556108136179 has 2 divisors, whose sum is σ = 255556108136180. Its totient is φ = 255556108136178.

The previous prime is 255556108136149. The next prime is 255556108136183. The reversal of 255556108136179 is 971631801655552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255556108136179 - 2³⁹ = 255006352322291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255556108136179.

It is not a weakly prime, because it can be changed into another prime (255556108136149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127778054068089 + 127778054068090.

It is an arithmetic number, because the mean of its divisors is an integer number (127778054068090).

Almost surely, 2^{255556108136179} is an apocalyptic number.

255556108136179 is a deficient number, since it is larger than the sum of its proper divisors (1).

255556108136179 is an equidigital number, since it uses as much as digits as its factorization.

255556108136179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040000, while the sum is 64.

The spelling of 255556108136179 in words is "two hundred fifty-five trillion, five hundred fifty-six billion, one hundred eight million, one hundred thirty-six thousand, one hundred seventy-nine".