25121115020299 has 2 divisors, whose sum is σ = 25121115020300. Its totient is φ = 25121115020298.

The previous prime is 25121115020293. The next prime is 25121115020317. The reversal of 25121115020299 is 99202051112152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25121115020299 - 2²⁵ = 25121081465867 is a prime.

It is not a weakly prime, because it can be changed into another prime (25121115020293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12560557510149 + 12560557510150.

It is an arithmetic number, because the mean of its divisors is an integer number (12560557510150).

Almost surely, 2^{25121115020299} is an apocalyptic number.

25121115020299 is a deficient number, since it is larger than the sum of its proper divisors (1).

25121115020299 is an equidigital number, since it uses as much as digits as its factorization.

25121115020299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 40.

The spelling of 25121115020299 in words is "twenty-five trillion, one hundred twenty-one billion, one hundred fifteen million, twenty thousand, two hundred ninety-nine".