505551006005 has 16 divisors (see below), whose sum is σ = 613423698048. Its totient is φ = 399942360000.

The previous prime is 505551005989. The next prime is 505551006013. The reversal of 505551006005 is 500600155505.

It is not a de Polignac number, because 505551006005 - 2⁴ = 505551005989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207641 + ... + 1026750.

It is an arithmetic number, because the mean of its divisors is an integer number (38338981128).

Almost surely, 2^505551006005 is an apocalyptic number.

It is an amenable number.

505551006005 is a deficient number, since it is larger than the sum of its proper divisors (107872692043).

505551006005 is a wasteful number, since it uses less digits than its factorization.

505551006005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235308.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 505551006005 in words is "five hundred five billion, five hundred fifty-one million, six thousand, five".