6530088551509 has 4 divisors (see below), whose sum is σ = 6653297769516. Its totient is φ = 6406879333504.

The previous prime is 6530088551491. The next prime is 6530088551513. The reversal of 6530088551509 is 9051558800356.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4142661834609 + 2387426716900 = 2035353^2 + 1545130^2 .

It is a cyclic number.

It is not a de Polignac number, because 6530088551509 - 2¹⁵ = 6530088518741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6530088551509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6530088551579) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 61604608924 + ... + 61604609029.

It is an arithmetic number, because the mean of its divisors is an integer number (1663324442379).

Almost surely, 2^{6530088551509} is an apocalyptic number.

It is an amenable number.

6530088551509 is a deficient number, since it is larger than the sum of its proper divisors (123209218007).

6530088551509 is a wasteful number, since it uses less digits than its factorization.

6530088551509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123209218006.

The product of its (nonzero) digits is 6480000, while the sum is 55.

The spelling of 6530088551509 in words is "six trillion, five hundred thirty billion, eighty-eight million, five hundred fifty-one thousand, five hundred nine".