505552044361 has 32 divisors (see below), whose sum is σ = 634778484480. Its totient is φ = 392002136064.

The previous prime is 505552044343. The next prime is 505552044391. The reversal of 505552044361 is 163440255505.

It is not a de Polignac number, because 505552044361 - 2⁹ = 505552043849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505552044391) 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, 638986 + ... + 1191388.

It is an arithmetic number, because the mean of its divisors is an integer number (19836827640).

Almost surely, 2^505552044361 is an apocalyptic number.

It is an amenable number.

505552044361 is a deficient number, since it is larger than the sum of its proper divisors (129226440119).

505552044361 is a wasteful number, since it uses less digits than its factorization.

505552044361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552625.

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 505552044361 its reverse (163440255505), we get a palindrome (668992299866).

The spelling of 505552044361 in words is "five hundred five billion, five hundred fifty-two million, forty-four thousand, three hundred sixty-one".