25260102644047 has 4 divisors (see below), whose sum is σ = 25543924022160. Its totient is φ = 24976281265936.

The previous prime is 25260102644033. The next prime is 25260102644071. The reversal of 25260102644047 is 74044620106252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25260102644047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25260102643994 and 25260102644012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25260102644017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141910688923 + ... + 141910689100.

It is an arithmetic number, because the mean of its divisors is an integer number (6385981005540).

Almost surely, 2^{25260102644047} is an apocalyptic number.

25260102644047 is a deficient number, since it is larger than the sum of its proper divisors (283821378113).

25260102644047 is an equidigital number, since it uses as much as digits as its factorization.

25260102644047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283821378112.

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 25260102644047 in words is "twenty-five trillion, two hundred sixty billion, one hundred two million, six hundred forty-four thousand, forty-seven".