551000511305 has 16 divisors (see below), whose sum is σ = 665311605120. Its totient is φ = 438060192768.

The previous prime is 551000511283. The next prime is 551000511337. The reversal of 551000511305 is 503115000155.

It is a cyclic number.

It is not a de Polignac number, because 551000511305 - 2⁸ = 551000511049 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14748329 + ... + 14785641.

It is an arithmetic number, because the mean of its divisors is an integer number (41581975320).

Almost surely, 2^551000511305 is an apocalyptic number.

It is an amenable number.

551000511305 is a deficient number, since it is larger than the sum of its proper divisors (114311093815).

551000511305 is a wasteful number, since it uses less digits than its factorization.

551000511305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55600.

The product of its (nonzero) digits is 1875, while the sum is 26.

The spelling of 551000511305 in words is "five hundred fifty-one billion, five hundred eleven thousand, three hundred five".