25545243113303 has 2 divisors, whose sum is σ = 25545243113304. Its totient is φ = 25545243113302.

The previous prime is 25545243113227. The next prime is 25545243113371. The reversal of 25545243113303 is 30331134254552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25545243113303 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25545243113603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12772621556651 + 12772621556652.

It is an arithmetic number, because the mean of its divisors is an integer number (12772621556652).

Almost surely, 2^{25545243113303} is an apocalyptic number.

25545243113303 is a deficient number, since it is larger than the sum of its proper divisors (1).

25545243113303 is an equidigital number, since it uses as much as digits as its factorization.

25545243113303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 41.

Adding to 25545243113303 its reverse (30331134254552), we get a palindrome (55876377367855).

The spelling of 25545243113303 in words is "twenty-five trillion, five hundred forty-five billion, two hundred forty-three million, one hundred thirteen thousand, three hundred three".