25640175126359 has 2 divisors, whose sum is σ = 25640175126360. Its totient is φ = 25640175126358.

The previous prime is 25640175126343. The next prime is 25640175126383. The reversal of 25640175126359 is 95362157104652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25640175126359 - 2⁴ = 25640175126343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25640175126659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12820087563179 + 12820087563180.

It is an arithmetic number, because the mean of its divisors is an integer number (12820087563180).

Almost surely, 2^{25640175126359} is an apocalyptic number.

25640175126359 is a deficient number, since it is larger than the sum of its proper divisors (1).

25640175126359 is an equidigital number, since it uses as much as digits as its factorization.

25640175126359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608000, while the sum is 56.

The spelling of 25640175126359 in words is "twenty-five trillion, six hundred forty billion, one hundred seventy-five million, one hundred twenty-six thousand, three hundred fifty-nine".