25281548248063 has 2 divisors, whose sum is σ = 25281548248064. Its totient is φ = 25281548248062.

The previous prime is 25281548247983. The next prime is 25281548248067. The reversal of 25281548248063 is 36084284518252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25281548248063 - 2⁹ = 25281548247551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25281548247989 and 25281548248007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25281548248067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12640774124031 + 12640774124032.

It is an arithmetic number, because the mean of its divisors is an integer number (12640774124032).

Almost surely, 2^{25281548248063} is an apocalyptic number.

25281548248063 is a deficient number, since it is larger than the sum of its proper divisors (1).

25281548248063 is an equidigital number, since it uses as much as digits as its factorization.

25281548248063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29491200, while the sum is 58.

The spelling of 25281548248063 in words is "twenty-five trillion, two hundred eighty-one billion, five hundred forty-eight million, two hundred forty-eight thousand, sixty-three".