551431005344 has 12 divisors (see below), whose sum is σ = 1085629791834. Its totient is φ = 275715502656.

The previous prime is 551431005331. The next prime is 551431005353. The reversal of 551431005344 is 443500134155.

It can be written as a sum of positive squares in only one way, i.e., 412436252944 + 138994752400 = 642212^2 + 372820^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8616109427 + ... + 8616109490.

Almost surely, 2^551431005344 is an apocalyptic number.

It is an amenable number.

551431005344 is a deficient number, since it is larger than the sum of its proper divisors (534198786490).

551431005344 is a wasteful number, since it uses less digits than its factorization.

551431005344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17232218927 (or 17232218919 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 551431005344 its reverse (443500134155), we get a palindrome (994931139499).

The spelling of 551431005344 in words is "five hundred fifty-one billion, four hundred thirty-one million, five thousand, three hundred forty-four".