505600605099 has 20 divisors (see below), whose sum is σ = 755396001360. Its totient is φ = 337015263600.

The previous prime is 505600605091. The next prime is 505600605119. The reversal of 505600605099 is 990506006505.

505600605099 is a `hidden beast` number, since 505 + 6 + 0 + 0 + 6 + 0 + 50 + 99 = 666.

It is not a de Polignac number, because 505600605099 - 2³ = 505600605091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505600605091) 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 19 ways as a sum of consecutive naturals, for example, 54217 + ... + 1007045.

It is an arithmetic number, because the mean of its divisors is an integer number (37769800068).

Almost surely, 2^505600605099 is an apocalyptic number.

505600605099 is a deficient number, since it is larger than the sum of its proper divisors (249795396261).

505600605099 is an equidigital number, since it uses as much as digits as its factorization.

505600605099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959392 (or 959383 counting only the distinct ones).

The product of its (nonzero) digits is 364500, while the sum is 45.

The spelling of 505600605099 in words is "five hundred five billion, six hundred million, six hundred five thousand, ninety-nine".