6551206130550 has 96 divisors (see below), whose sum is σ = 16740455542272. Its totient is φ = 1694235242880.

The previous prime is 6551206130477. The next prime is 6551206130563. The reversal of 6551206130550 is 550316021556.

It is a junction number, because it is equal to n+sod(n) for n = 6551206130499 and 6551206130508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 218622 + ... + 3626321.

It is an arithmetic number, because the mean of its divisors is an integer number (174379745232).

Almost surely, 2^{6551206130550} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6551206130550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8370227771136).

6551206130550 is an abundant number, since it is smaller than the sum of its proper divisors (10189249411722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6551206130550 is a wasteful number, since it uses less digits than its factorization.

6551206130550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845302 (or 3845297 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 6551206130550 in words is "six trillion, five hundred fifty-one billion, two hundred six million, one hundred thirty thousand, five hundred fifty".