25451543325023 has 2 divisors, whose sum is σ = 25451543325024. Its totient is φ = 25451543325022.

The previous prime is 25451543325011. The next prime is 25451543325067. The reversal of 25451543325023 is 32052334515452.

It is an a-pointer prime, because the next prime (25451543325067) can be obtained adding 25451543325023 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25451543325023 - 2⁴ = 25451543325007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25451543825023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12725771662511 + 12725771662512.

It is an arithmetic number, because the mean of its divisors is an integer number (12725771662512).

Almost surely, 2^{25451543325023} is an apocalyptic number.

25451543325023 is a deficient number, since it is larger than the sum of its proper divisors (1).

25451543325023 is an equidigital number, since it uses as much as digits as its factorization.

25451543325023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160000, while the sum is 44.

The spelling of 25451543325023 in words is "twenty-five trillion, four hundred fifty-one billion, five hundred forty-three million, three hundred twenty-five thousand, twenty-three".