25275550025291 has 2 divisors, whose sum is σ = 25275550025292. Its totient is φ = 25275550025290.

The previous prime is 25275550025249. The next prime is 25275550025387. The reversal of 25275550025291 is 19252005557252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25275550025291 - 2²² = 25275545830987 is a prime.

It is not a weakly prime, because it can be changed into another prime (25275550625291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12637775012645 + 12637775012646.

It is an arithmetic number, because the mean of its divisors is an integer number (12637775012646).

Almost surely, 2^{25275550025291} is an apocalyptic number.

25275550025291 is a deficient number, since it is larger than the sum of its proper divisors (1).

25275550025291 is an equidigital number, since it uses as much as digits as its factorization.

25275550025291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150000, while the sum is 50.

The spelling of 25275550025291 in words is "twenty-five trillion, two hundred seventy-five billion, five hundred fifty million, twenty-five thousand, two hundred ninety-one".