25595241562243 has 2 divisors, whose sum is σ = 25595241562244. Its totient is φ = 25595241562242.

The previous prime is 25595241562217. The next prime is 25595241562291. The reversal of 25595241562243 is 34226514259552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25595241562243 - 2⁹ = 25595241561731 is a prime.

It is not a weakly prime, because it can be changed into another prime (25595241562643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12797620781121 + 12797620781122.

It is an arithmetic number, because the mean of its divisors is an integer number (12797620781122).

Almost surely, 2^{25595241562243} is an apocalyptic number.

25595241562243 is a deficient number, since it is larger than the sum of its proper divisors (1).

25595241562243 is an equidigital number, since it uses as much as digits as its factorization.

25595241562243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920000, while the sum is 55.

The spelling of 25595241562243 in words is "twenty-five trillion, five hundred ninety-five billion, two hundred forty-one million, five hundred sixty-two thousand, two hundred forty-three".