205655182586029 has 8 divisors (see below), whose sum is σ = 226205249667840. Its totient is φ = 186959256895180.

The previous prime is 205655182585997. The next prime is 205655182586041. The reversal of 205655182586029 is 920685281556502.

It is not a de Polignac number, because 205655182586029 - 2⁵ = 205655182585997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205655182586089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77255889949 + ... + 77255892610.

It is an arithmetic number, because the mean of its divisors is an integer number (28275656208480).

Almost surely, 2^{205655182586029} is an apocalyptic number.

It is an amenable number.

205655182586029 is a deficient number, since it is larger than the sum of its proper divisors (20550067081811).

205655182586029 is an equidigital number, since it uses as much as digits as its factorization.

205655182586029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154511782592 (or 154511782570 counting only the distinct ones).

The product of its (nonzero) digits is 103680000, while the sum is 64.

The spelling of 205655182586029 in words is "two hundred five trillion, six hundred fifty-five billion, one hundred eighty-two million, five hundred eighty-six thousand, twenty-nine".