25078810793263 has 2 divisors, whose sum is σ = 25078810793264. Its totient is φ = 25078810793262.

The previous prime is 25078810793243. The next prime is 25078810793293. The reversal of 25078810793263 is 36239701887052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25078810793263 - 2⁹ = 25078810792751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25078810793243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12539405396631 + 12539405396632.

It is an arithmetic number, because the mean of its divisors is an integer number (12539405396632).

Almost surely, 2^{25078810793263} is an apocalyptic number.

25078810793263 is a deficient number, since it is larger than the sum of its proper divisors (1).

25078810793263 is an equidigital number, since it uses as much as digits as its factorization.

25078810793263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 25078810793263 in words is "twenty-five trillion, seventy-eight billion, eight hundred ten million, seven hundred ninety-three thousand, two hundred sixty-three".