25026375126149 has 2 divisors, whose sum is σ = 25026375126150. Its totient is φ = 25026375126148.

The previous prime is 25026375126139. The next prime is 25026375126157. The reversal of 25026375126149 is 94162157362052.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23415988746049 + 1610386380100 = 4839007^2 + 1269010^2 .

It is a cyclic number.

It is not a de Polignac number, because 25026375126149 - 2¹⁶ = 25026375060613 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25026375126149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25026375126139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12513187563074 + 12513187563075.

It is an arithmetic number, because the mean of its divisors is an integer number (12513187563075).

Almost surely, 2^{25026375126149} is an apocalyptic number.

It is an amenable number.

25026375126149 is a deficient number, since it is larger than the sum of its proper divisors (1).

25026375126149 is an equidigital number, since it uses as much as digits as its factorization.

25026375126149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 25026375126149 in words is "twenty-five trillion, twenty-six billion, three hundred seventy-five million, one hundred twenty-six thousand, one hundred forty-nine".