655606506525 has 24 divisors (see below), whose sum is σ = 1085414948640. Its totient is φ = 349179752640.

The previous prime is 655606506481. The next prime is 655606506547. The reversal of 655606506525 is 525605606556.

It is not a de Polignac number, because 655606506525 - 2⁶ = 655606506461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5907795 + ... + 6017744.

It is an arithmetic number, because the mean of its divisors is an integer number (45225622860).

Almost surely, 2^655606506525 is an apocalyptic number.

It is an amenable number.

655606506525 is a deficient number, since it is larger than the sum of its proper divisors (429808442115).

655606506525 is a wasteful number, since it uses less digits than its factorization.

655606506525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11926285 (or 11926280 counting only the distinct ones).

The product of its (nonzero) digits is 8100000, while the sum is 51.

The spelling of 655606506525 in words is "six hundred fifty-five billion, six hundred six million, five hundred six thousand, five hundred twenty-five".