25511333425349 has 2 divisors, whose sum is σ = 25511333425350. Its totient is φ = 25511333425348.

The previous prime is 25511333425339. The next prime is 25511333425453. The reversal of 25511333425349 is 94352433311552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16238200012225 + 9273133413124 = 4029665^2 + 3045182^2 .

It is a cyclic number.

It is not a de Polignac number, because 25511333425349 - 2²⁴ = 25511316648133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25511333425297 and 25511333425306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25511333425339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12755666712674 + 12755666712675.

It is an arithmetic number, because the mean of its divisors is an integer number (12755666712675).

Almost surely, 2^{25511333425349} is an apocalyptic number.

It is an amenable number.

25511333425349 is a deficient number, since it is larger than the sum of its proper divisors (1).

25511333425349 is an equidigital number, since it uses as much as digits as its factorization.

25511333425349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832000, while the sum is 50.

The spelling of 25511333425349 in words is "twenty-five trillion, five hundred eleven billion, three hundred thirty-three million, four hundred twenty-five thousand, three hundred forty-nine".