2144255245205 has 16 divisors (see below), whose sum is σ = 2652190022640. Its totient is φ = 1663016458752.

The previous prime is 2144255245151. The next prime is 2144255245217. The reversal of 2144255245205 is 5025425524412.

It can be written as a sum of positive squares in 8 ways, for example, as 103680136036 + 2040575109169 = 321994^2 + 1428487^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144255245205 - 2¹⁰ = 2144255244181 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, 20870360 + ... + 20972849.

It is an arithmetic number, because the mean of its divisors is an integer number (165761876415).

Almost surely, 2^{2144255245205} is an apocalyptic number.

It is an amenable number.

2144255245205 is a deficient number, since it is larger than the sum of its proper divisors (507934777435).

2144255245205 is a wasteful number, since it uses less digits than its factorization.

2144255245205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41843528.

The product of its (nonzero) digits is 640000, while the sum is 41.

The spelling of 2144255245205 in words is "two trillion, one hundred forty-four billion, two hundred fifty-five million, two hundred forty-five thousand, two hundred five".