25530052550543 has 2 divisors, whose sum is σ = 25530052550544. Its totient is φ = 25530052550542.

The previous prime is 25530052550489. The next prime is 25530052550603. The reversal of 25530052550543 is 34505525003552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25530052550543 - 2²⁶ = 25529985441679 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 25530052550494 and 25530052550503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25530052550843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12765026275271 + 12765026275272.

It is an arithmetic number, because the mean of its divisors is an integer number (12765026275272).

Almost surely, 2^{25530052550543} is an apocalyptic number.

25530052550543 is a deficient number, since it is larger than the sum of its proper divisors (1).

25530052550543 is an equidigital number, since it uses as much as digits as its factorization.

25530052550543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250000, while the sum is 44.

The spelling of 25530052550543 in words is "twenty-five trillion, five hundred thirty billion, fifty-two million, five hundred fifty thousand, five hundred forty-three".