7256163223801 has 2 divisors, whose sum is σ = 7256163223802. Its totient is φ = 7256163223800.

The previous prime is 7256163223781. The next prime is 7256163223823. The reversal of 7256163223801 is 1083223616527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7177496437225 + 78666786576 = 2679085^2 + 280476^2 .

It is a cyclic number.

It is not a de Polignac number, because 7256163223801 - 2²⁷ = 7256029006073 is a prime.

It is not a weakly prime, because it can be changed into another prime (7256163223301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3628081611900 + 3628081611901.

It is an arithmetic number, because the mean of its divisors is an integer number (3628081611901).

Almost surely, 2^{7256163223801} is an apocalyptic number.

It is an amenable number.

7256163223801 is a deficient number, since it is larger than the sum of its proper divisors (1).

7256163223801 is an equidigital number, since it uses as much as digits as its factorization.

7256163223801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 7256163223801 in words is "seven trillion, two hundred fifty-six billion, one hundred sixty-three million, two hundred twenty-three thousand, eight hundred one".