6715324543601 has 4 divisors (see below), whose sum is σ = 6716950928100. Its totient is φ = 6713698159104.

The previous prime is 6715324543579. The next prime is 6715324543639. The reversal of 6715324543601 is 1063454235176.

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 5269210066576 + 1446114477025 = 2295476^2 + 1202545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6715324543601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6715324543001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813186056 + ... + 813194313.

It is an arithmetic number, because the mean of its divisors is an integer number (1679237732025).

Almost surely, 2^{6715324543601} is an apocalyptic number.

It is an amenable number.

6715324543601 is a deficient number, since it is larger than the sum of its proper divisors (1626384499).

6715324543601 is a wasteful number, since it uses less digits than its factorization.

6715324543601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626384498.

The product of its (nonzero) digits is 1814400, while the sum is 47.

Adding to 6715324543601 its reverse (1063454235176), we get a palindrome (7778778778777).

The spelling of 6715324543601 in words is "six trillion, seven hundred fifteen billion, three hundred twenty-four million, five hundred forty-three thousand, six hundred one".