25097227099807 has 2 divisors, whose sum is σ = 25097227099808. Its totient is φ = 25097227099806.

The previous prime is 25097227099771. The next prime is 25097227099897. The reversal of 25097227099807 is 70899072279052.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25097227099807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25097227099897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12548613549903 + 12548613549904.

It is an arithmetic number, because the mean of its divisors is an integer number (12548613549904).

Almost surely, 2^{25097227099807} is an apocalyptic number.

25097227099807 is a deficient number, since it is larger than the sum of its proper divisors (1).

25097227099807 is an equidigital number, since it uses as much as digits as its factorization.

25097227099807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80015040, while the sum is 67.

The spelling of 25097227099807 in words is "twenty-five trillion, ninety-seven billion, two hundred twenty-seven million, ninety-nine thousand, eight hundred seven".