551311044013213 has 8 divisors (see below), whose sum is σ = 603000543753216. Its totient is φ = 499883263260000.

The previous prime is 551311044013199. The next prime is 551311044013253. The reversal of 551311044013213 is 312310440113155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551311044013213 - 2²⁹ = 551310507142301 is a prime.

It is a super-3 number, since 3×551311044013213³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551311044013253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65429742288 + ... + 65429750713.

It is an arithmetic number, because the mean of its divisors is an integer number (75375067969152).

Almost surely, 2^{551311044013213} is an apocalyptic number.

It is an amenable number.

551311044013213 is a deficient number, since it is larger than the sum of its proper divisors (51689499740003).

551311044013213 is a wasteful number, since it uses less digits than its factorization.

551311044013213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130859493395.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 551311044013213 its reverse (312310440113155), we get a palindrome (863621484126368).

The spelling of 551311044013213 in words is "five hundred fifty-one trillion, three hundred eleven billion, forty-four million, thirteen thousand, two hundred thirteen".