205829015455 has 16 divisors (see below), whose sum is σ = 286907333184. Its totient is φ = 138826126080.

The previous prime is 205829015423. The next prime is 205829015563. The reversal of 205829015455 is 554510928502.

It is not a de Polignac number, because 205829015455 - 2⁵ = 205829015423 is a prime.

It is a Duffinian number.

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, 48201382 + ... + 48205651.

It is an arithmetic number, because the mean of its divisors is an integer number (17931708324).

Almost surely, 2^205829015455 is an apocalyptic number.

205829015455 is a deficient number, since it is larger than the sum of its proper divisors (81078317729).

205829015455 is an equidigital number, since it uses as much as digits as its factorization.

205829015455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96407106.

The product of its (nonzero) digits is 720000, while the sum is 46.

The spelling of 205829015455 in words is "two hundred five billion, eight hundred twenty-nine million, fifteen thousand, four hundred fifty-five".