551351516513 has 8 divisors (see below), whose sum is σ = 644769880128. Its totient is φ = 461596618224.

The previous prime is 551351516497. The next prime is 551351516561. The reversal of 551351516513 is 315615153155.

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

It is not a de Polignac number, because 551351516513 - 2⁴ = 551351516497 is a prime.

It is a super-2 number, since 2×551351516513² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551351516213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915866006 + ... + 915866607.

It is an arithmetic number, because the mean of its divisors is an integer number (80596235016).

Almost surely, 2^551351516513 is an apocalyptic number.

It is an amenable number.

551351516513 is a deficient number, since it is larger than the sum of its proper divisors (93418363615).

551351516513 is a wasteful number, since it uses less digits than its factorization.

551351516513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831732663.

The product of its digits is 168750, while the sum is 41.

Adding to 551351516513 its reverse (315615153155), we get a palindrome (866966669668).

The spelling of 551351516513 in words is "five hundred fifty-one billion, three hundred fifty-one million, five hundred sixteen thousand, five hundred thirteen".