505545565146 has 8 divisors (see below), whose sum is σ = 1011091130304. Its totient is φ = 168515188380.

The previous prime is 505545565141. The next prime is 505545565163. The reversal of 505545565146 is 641565545505.

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

505545565146 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (505545565141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 42128797090 + ... + 42128797101.

It is an arithmetic number, because the mean of its divisors is an integer number (126386391288).

Almost surely, 2^505545565146 is an apocalyptic number.

505545565146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505545565146 is a wasteful number, since it uses less digits than its factorization.

505545565146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84257594196.

The product of its (nonzero) digits is 9000000, while the sum is 51.

The spelling of 505545565146 in words is "five hundred five billion, five hundred forty-five million, five hundred sixty-five thousand, one hundred forty-six".