25980298901205 has 32 divisors (see below), whose sum is σ = 47734137699840. Its totient is φ = 11933534422080.

The previous prime is 25980298901189. The next prime is 25980298901233. The reversal of 25980298901205 is 50210989208952.

It is not a de Polignac number, because 25980298901205 - 2⁴ = 25980298901189 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 4143585207 + ... + 4143591476.

It is an arithmetic number, because the mean of its divisors is an integer number (1491691803120).

Almost surely, 2^{25980298901205} is an apocalyptic number.

It is an amenable number.

25980298901205 is a deficient number, since it is larger than the sum of its proper divisors (21753838798635).

25980298901205 is a wasteful number, since it uses less digits than its factorization.

25980298901205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8287176721.

The product of its (nonzero) digits is 9331200, while the sum is 60.

The spelling of 25980298901205 in words is "twenty-five trillion, nine hundred eighty billion, two hundred ninety-eight million, nine hundred one thousand, two hundred five".