255505525505 has 16 divisors (see below), whose sum is σ = 307163346048. Its totient is φ = 204033552000.

The previous prime is 255505525501. The next prime is 255505525507. The reversal of 255505525505 is 505525505552.

It is a happy number.

It is not a de Polignac number, because 255505525505 - 2² = 255505525501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255505525501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8092700 + ... + 8124210.

It is an arithmetic number, because the mean of its divisors is an integer number (19197709128).

Almost surely, 2^255505525505 is an apocalyptic number.

It is an amenable number.

255505525505 is a deficient number, since it is larger than the sum of its proper divisors (51657820543).

255505525505 is a wasteful number, since it uses less digits than its factorization.

255505525505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34408.

The product of its (nonzero) digits is 1562500, while the sum is 44.

The spelling of 255505525505 in words is "two hundred fifty-five billion, five hundred five million, five hundred twenty-five thousand, five hundred five".