2256115243 has 2 divisors, whose sum is σ = 2256115244. Its totient is φ = 2256115242.

The previous prime is 2256115189. The next prime is 2256115261. The reversal of 2256115243 is 3425116522.

2256115243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2256115243 - 2²⁵ = 2222560811 is a prime.

It is not a weakly prime, because it can be changed into another prime (2256115283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128057621 + 1128057622.

It is an arithmetic number, because the mean of its divisors is an integer number (1128057622).

Almost surely, 2^2256115243 is an apocalyptic number.

2256115243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256115243 is an equidigital number, since it uses as much as digits as its factorization.

2256115243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

The square root of 2256115243 is about 47498.5814840822. The cubic root of 2256115243 is about 1311.5567691768.

The spelling of 2256115243 in words is "two billion, two hundred fifty-six million, one hundred fifteen thousand, two hundred forty-three".