25655652047 has 2 divisors, whose sum is σ = 25655652048. Its totient is φ = 25655652046.

The previous prime is 25655652019. The next prime is 25655652067. The reversal of 25655652047 is 74025655652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25655652047 - 2¹⁶ = 25655586511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25655651992 and 25655652010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25655652067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12827826023 + 12827826024.

It is an arithmetic number, because the mean of its divisors is an integer number (12827826024).

Almost surely, 2^25655652047 is an apocalyptic number.

25655652047 is a deficient number, since it is larger than the sum of its proper divisors (1).

25655652047 is an equidigital number, since it uses as much as digits as its factorization.

25655652047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520000, while the sum is 47.

The spelling of 25655652047 in words is "twenty-five billion, six hundred fifty-five million, six hundred fifty-two thousand, forty-seven".