25525534104143 has 2 divisors, whose sum is σ = 25525534104144. Its totient is φ = 25525534104142.

The previous prime is 25525534104121. The next prime is 25525534104157. The reversal of 25525534104143 is 34140143552552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25525534104143 - 2²⁶ = 25525466995279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25525534104094 and 25525534104103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25525534194143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12762767052071 + 12762767052072.

It is an arithmetic number, because the mean of its divisors is an integer number (12762767052072).

Almost surely, 2^{25525534104143} is an apocalyptic number.

25525534104143 is a deficient number, since it is larger than the sum of its proper divisors (1).

25525534104143 is an equidigital number, since it uses as much as digits as its factorization.

25525534104143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440000, while the sum is 44.

Adding to 25525534104143 its reverse (34140143552552), we get a palindrome (59665677656695).

The spelling of 25525534104143 in words is "twenty-five trillion, five hundred twenty-five billion, five hundred thirty-four million, one hundred four thousand, one hundred forty-three".