25078810793243 has 2 divisors, whose sum is σ = 25078810793244. Its totient is φ = 25078810793242.

The previous prime is 25078810793207. The next prime is 25078810793263. The reversal of 25078810793243 is 34239701887052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25078810793243 - 2²⁴ = 25078794016027 is a prime.

It is not a weakly prime, because it can be changed into another prime (25078810793263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12539405396621 + 12539405396622.

It is an arithmetic number, because the mean of its divisors is an integer number (12539405396622).

Almost surely, 2^{25078810793243} is an apocalyptic number.

25078810793243 is a deficient number, since it is larger than the sum of its proper divisors (1).

25078810793243 is an equidigital number, since it uses as much as digits as its factorization.

25078810793243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 25078810793243 in words is "twenty-five trillion, seventy-eight billion, eight hundred ten million, seven hundred ninety-three thousand, two hundred forty-three".