551255335211 has 4 divisors (see below), whose sum is σ = 630006097392. Its totient is φ = 472504573032.

The previous prime is 551255335207. The next prime is 551255335223. The reversal of 551255335211 is 112533552155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 551255335211 - 2² = 551255335207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551255334211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39375381080 + ... + 39375381093.

It is an arithmetic number, because the mean of its divisors is an integer number (157501524348).

Almost surely, 2^551255335211 is an apocalyptic number.

551255335211 is a deficient number, since it is larger than the sum of its proper divisors (78750762181).

551255335211 is an equidigital number, since it uses as much as digits as its factorization.

551255335211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78750762180.

The product of its digits is 112500, while the sum is 38.

Adding to 551255335211 its reverse (112533552155), we get a palindrome (663788887366).

The spelling of 551255335211 in words is "five hundred fifty-one billion, two hundred fifty-five million, three hundred thirty-five thousand, two hundred eleven".