25505211015343 has 2 divisors, whose sum is σ = 25505211015344. Its totient is φ = 25505211015342.

The previous prime is 25505211015241. The next prime is 25505211015407. The reversal of 25505211015343 is 34351011250552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25505211015343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25505211015643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12752605507671 + 12752605507672.

It is an arithmetic number, because the mean of its divisors is an integer number (12752605507672).

Almost surely, 2^{25505211015343} is an apocalyptic number.

25505211015343 is a deficient number, since it is larger than the sum of its proper divisors (1).

25505211015343 is an equidigital number, since it uses as much as digits as its factorization.

25505211015343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90000, while the sum is 37.

Adding to 25505211015343 its reverse (34351011250552), we get a palindrome (59856222265895).

The spelling of 25505211015343 in words is "twenty-five trillion, five hundred five billion, two hundred eleven million, fifteen thousand, three hundred forty-three".