205350244413455 has 16 divisors (see below), whose sum is σ = 246455739953280. Its totient is φ = 164256565648032.

The previous prime is 205350244413449. The next prime is 205350244413491. The reversal of 205350244413455 is 554314442053502.

It is a cyclic number.

It is not a de Polignac number, because 205350244413455 - 2¹⁴ = 205350244397071 is a prime.

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, 2155475732 + ... + 2155570998.

It is an arithmetic number, because the mean of its divisors is an integer number (15403483747080).

Almost surely, 2^{205350244413455} is an apocalyptic number.

205350244413455 is a deficient number, since it is larger than the sum of its proper divisors (41105495539825).

205350244413455 is an equidigital number, since it uses as much as digits as its factorization.

205350244413455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152758.

The product of its (nonzero) digits is 5760000, while the sum is 47.

Adding to 205350244413455 its reverse (554314442053502), we get a palindrome (759664686466957).

The spelling of 205350244413455 in words is "two hundred five trillion, three hundred fifty billion, two hundred forty-four million, four hundred thirteen thousand, four hundred fifty-five".