505045551005 has 16 divisors (see below), whose sum is σ = 613505899440. Its totient is φ = 399085320192.

The previous prime is 505045550959. The next prime is 505045551071. The reversal of 505045551005 is 500155540505.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 9459118564 + 495586432441 = 97258^2 + 703979^2 .

It is a cyclic number.

It is not a de Polignac number, because 505045551005 - 2⁸ = 505045550749 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 776054 + ... + 1269783.

It is an arithmetic number, because the mean of its divisors is an integer number (38344118715).

Almost surely, 2^505045551005 is an apocalyptic number.

It is an amenable number.

505045551005 is a deficient number, since it is larger than the sum of its proper divisors (108460348435).

505045551005 is a wasteful number, since it uses less digits than its factorization.

505045551005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046448.

The product of its (nonzero) digits is 62500, while the sum is 35.

The spelling of 505045551005 in words is "five hundred five billion, forty-five million, five hundred fifty-one thousand, five".