45511540445215 has 16 divisors (see below), whose sum is σ = 58817003214816. Its totient is φ = 33607328227200.

The previous prime is 45511540445209. The next prime is 45511540445227. The reversal of 45511540445215 is 51254404511554.

45511540445215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45511540445215 - 2¹¹ = 45511540443167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10591101 + ... + 14254630.

It is an arithmetic number, because the mean of its divisors is an integer number (3676062700926).

Almost surely, 2^{45511540445215} is an apocalyptic number.

45511540445215 is a deficient number, since it is larger than the sum of its proper divisors (13305462769601).

45511540445215 is a wasteful number, since it uses less digits than its factorization.

45511540445215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24873930.

The product of its (nonzero) digits is 1600000, while the sum is 46.

Adding to 45511540445215 its reverse (51254404511554), we get a palindrome (96765944956769).

The spelling of 45511540445215 in words is "forty-five trillion, five hundred eleven billion, five hundred forty million, four hundred forty-five thousand, two hundred fifteen".