25545355607159 has 2 divisors, whose sum is σ = 25545355607160. Its totient is φ = 25545355607158.

The previous prime is 25545355607143. The next prime is 25545355607179. The reversal of 25545355607159 is 95170655354552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25545355607159 - 2⁴ = 25545355607143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25545355607179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12772677803579 + 12772677803580.

It is an arithmetic number, because the mean of its divisors is an integer number (12772677803580).

Almost surely, 2^{25545355607159} is an apocalyptic number.

25545355607159 is a deficient number, since it is larger than the sum of its proper divisors (1).

25545355607159 is an equidigital number, since it uses as much as digits as its factorization.

25545355607159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141750000, while the sum is 62.

The spelling of 25545355607159 in words is "twenty-five trillion, five hundred forty-five billion, three hundred fifty-five million, six hundred seven thousand, one hundred fifty-nine".