6530445013551 has 8 divisors (see below), whose sum is σ = 8707299345024. Its totient is φ = 4353610345560.

The previous prime is 6530445013537. The next prime is 6530445013571. The reversal of 6530445013551 is 1553105440356.

It is a happy number.

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

It is not a de Polignac number, because 6530445013551 - 2¹⁸ = 6530444751407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6530445013531) 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, 4122661 + ... + 5482446.

It is an arithmetic number, because the mean of its divisors is an integer number (1088412418128).

Almost surely, 2^{6530445013551} is an apocalyptic number.

6530445013551 is a deficient number, since it is larger than the sum of its proper divisors (2176854331473).

6530445013551 is a wasteful number, since it uses less digits than its factorization.

6530445013551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9831741.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 6530445013551 in words is "six trillion, five hundred thirty billion, four hundred forty-five million, thirteen thousand, five hundred fifty-one".