4245320561015 has 16 divisors (see below), whose sum is σ = 5103563824800. Its totient is φ = 3390138905472.

The previous prime is 4245320560993. The next prime is 4245320561039. The reversal of 4245320561015 is 5101650235424.

4245320561015 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4245320561015 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4245320561015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18364016 + ... + 18593754.

It is an arithmetic number, because the mean of its divisors is an integer number (318972739050).

Almost surely, 2^{4245320561015} is an apocalyptic number.

4245320561015 is a deficient number, since it is larger than the sum of its proper divisors (858243263785).

4245320561015 is a wasteful number, since it uses less digits than its factorization.

4245320561015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236386.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 4245320561015 its reverse (5101650235424), we get a palindrome (9346970796439).

The spelling of 4245320561015 in words is "four trillion, two hundred forty-five billion, three hundred twenty million, five hundred sixty-one thousand, fifteen".