25440335604059 has 2 divisors, whose sum is σ = 25440335604060. Its totient is φ = 25440335604058.

The previous prime is 25440335604049. The next prime is 25440335604191. The reversal of 25440335604059 is 95040653304452.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25440335604059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25440335603998 and 25440335604016.

It is not a weakly prime, because it can be changed into another prime (25440335604049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12720167802029 + 12720167802030.

It is an arithmetic number, because the mean of its divisors is an integer number (12720167802030).

Almost surely, 2^{25440335604059} is an apocalyptic number.

25440335604059 is a deficient number, since it is larger than the sum of its proper divisors (1).

25440335604059 is an equidigital number, since it uses as much as digits as its factorization.

25440335604059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776000, while the sum is 50.

The spelling of 25440335604059 in words is "twenty-five trillion, four hundred forty billion, three hundred thirty-five million, six hundred four thousand, fifty-nine".