25048993775591 has 2 divisors, whose sum is σ = 25048993775592. Its totient is φ = 25048993775590.

The previous prime is 25048993775573. The next prime is 25048993775623. The reversal of 25048993775591 is 19557739984052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25048993775591 - 2¹⁸ = 25048993513447 is a prime.

It is a super-2 number, since 2×25048993775591² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25048993771591) 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, 12524496887795 + 12524496887796.

It is an arithmetic number, because the mean of its divisors is an integer number (12524496887796).

Almost surely, 2^{25048993775591} is an apocalyptic number.

25048993775591 is a deficient number, since it is larger than the sum of its proper divisors (1).

25048993775591 is an equidigital number, since it uses as much as digits as its factorization.

25048993775591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 857304000, while the sum is 74.

The spelling of 25048993775591 in words is "twenty-five trillion, forty-eight billion, nine hundred ninety-three million, seven hundred seventy-five thousand, five hundred ninety-one".