25371128207 has 2 divisors, whose sum is σ = 25371128208. Its totient is φ = 25371128206.

The previous prime is 25371128197. The next prime is 25371128281. The reversal of 25371128207 is 70282117352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25371128207 - 2¹⁰ = 25371127183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25371127207) 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, 12685564103 + 12685564104.

It is an arithmetic number, because the mean of its divisors is an integer number (12685564104).

Almost surely, 2^25371128207 is an apocalyptic number.

25371128207 is a deficient number, since it is larger than the sum of its proper divisors (1).

25371128207 is an equidigital number, since it uses as much as digits as its factorization.

25371128207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 38.

The spelling of 25371128207 in words is "twenty-five billion, three hundred seventy-one million, one hundred twenty-eight thousand, two hundred seven".