25335466655 has 4 divisors (see below), whose sum is σ = 30402559992. Its totient is φ = 20268373320.

The previous prime is 25335466633. The next prime is 25335466729. The reversal of 25335466655 is 55666453352.

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

It is not a de Polignac number, because 25335466655 - 2¹⁸ = 25335204511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2533546661 + ... + 2533546670.

It is an arithmetic number, because the mean of its divisors is an integer number (7600639998).

Almost surely, 2^25335466655 is an apocalyptic number.

25335466655 is a deficient number, since it is larger than the sum of its proper divisors (5067093337).

25335466655 is an equidigital number, since it uses as much as digits as its factorization.

25335466655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067093336.

The product of its digits is 9720000, while the sum is 50.

The spelling of 25335466655 in words is "twenty-five billion, three hundred thirty-five million, four hundred sixty-six thousand, six hundred fifty-five".