128025469655 has 8 divisors (see below), whose sum is σ = 154289923632. Its totient is φ = 101980802368.

The previous prime is 128025469639. The next prime is 128025469721. The reversal of 128025469655 is 556964520821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128025469655 - 2⁴ = 128025469639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128025469597 and 128025469606.

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 7 ways as a sum of consecutive naturals, for example, 54945389 + ... + 54947718.

It is an arithmetic number, because the mean of its divisors is an integer number (19286240454).

Almost surely, 2^128025469655 is an apocalyptic number.

128025469655 is a deficient number, since it is larger than the sum of its proper divisors (26264453977).

128025469655 is a wasteful number, since it uses less digits than its factorization.

128025469655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109893345.

The product of its (nonzero) digits is 5184000, while the sum is 53.

The spelling of 128025469655 in words is "one hundred twenty-eight billion, twenty-five million, four hundred sixty-nine thousand, six hundred fifty-five".