551236012613 has 8 divisors (see below), whose sum is σ = 647605945056. Its totient is φ = 462575674800.

The previous prime is 551236012507. The next prime is 551236012637. The reversal of 551236012613 is 316210632155.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551236012613 is a prime.

It is a super-2 number, since 2×551236012613² (a number of 24 digits) contains 22 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 (551236012673) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1927398503 + ... + 1927398788.

It is an arithmetic number, because the mean of its divisors is an integer number (80950743132).

Almost surely, 2^551236012613 is an apocalyptic number.

It is an amenable number.

551236012613 is a deficient number, since it is larger than the sum of its proper divisors (96369932443).

551236012613 is a wasteful number, since it uses less digits than its factorization.

551236012613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3854797315.

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 551236012613 its reverse (316210632155), we get a palindrome (867446644768).

The spelling of 551236012613 in words is "five hundred fifty-one billion, two hundred thirty-six million, twelve thousand, six hundred thirteen".