2256312234205 has 16 divisors (see below), whose sum is σ = 2809888069680. Its totient is φ = 1737238583808.

The previous prime is 2256312234193. The next prime is 2256312234247. The reversal of 2256312234205 is 5024322136522.

It can be written as a sum of positive squares in 8 ways, for example, as 1149025349476 + 1107286884729 = 1071926^2 + 1052277^2 .

It is not a de Polignac number, because 2256312234205 - 2¹¹ = 2256312232157 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, 24812082 + ... + 24902851.

It is an arithmetic number, because the mean of its divisors is an integer number (175618004355).

Almost surely, 2^{2256312234205} is an apocalyptic number.

It is an amenable number.

2256312234205 is a deficient number, since it is larger than the sum of its proper divisors (553575835475).

2256312234205 is a wasteful number, since it uses less digits than its factorization.

2256312234205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49715280.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 2256312234205 in words is "two trillion, two hundred fifty-six billion, three hundred twelve million, two hundred thirty-four thousand, two hundred five".