505545065255 has 32 divisors (see below), whose sum is σ = 649113264000. Its totient is φ = 376643018752.

The previous prime is 505545065231. The next prime is 505545065257. The reversal of 505545065255 is 552560545505.

It is a cyclic number.

It is not a de Polignac number, because 505545065255 - 2⁶ = 505545065191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505545065257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5709461 + ... + 5797329.

It is an arithmetic number, because the mean of its divisors is an integer number (20284789500).

Almost surely, 2^505545065255 is an apocalyptic number.

505545065255 is a deficient number, since it is larger than the sum of its proper divisors (143568198745).

505545065255 is a wasteful number, since it uses less digits than its factorization.

505545065255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88603.

The product of its (nonzero) digits is 3750000, while the sum is 47.

The spelling of 505545065255 in words is "five hundred five billion, five hundred forty-five million, sixty-five thousand, two hundred fifty-five".