8445615340415 has 16 divisors (see below), whose sum is σ = 11056589721216. Its totient is φ = 6141981559200.

The previous prime is 8445615340381. The next prime is 8445615340417. The reversal of 8445615340415 is 5140435165448.

It is not a de Polignac number, because 8445615340415 - 2²⁰ = 8445614291839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8445615340417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2348381 + ... + 4733510.

It is an arithmetic number, because the mean of its divisors is an integer number (691036857576).

Almost surely, 2^{8445615340415} is an apocalyptic number.

8445615340415 is a deficient number, since it is larger than the sum of its proper divisors (2610974380801).

8445615340415 is a wasteful number, since it uses less digits than its factorization.

8445615340415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7103590.

The product of its (nonzero) digits is 4608000, while the sum is 50.

The spelling of 8445615340415 in words is "eight trillion, four hundred forty-five billion, six hundred fifteen million, three hundred forty thousand, four hundred fifteen".