64448041091103 has 12 divisors (see below), whose sum is σ = 93124198640928. Its totient is φ = 42950322082080.

The previous prime is 64448041091099. The next prime is 64448041091117. The reversal of 64448041091103 is 30119014084446.

64448041091103 is a `hidden beast` number, since 6 + 4 + 4 + 48 + 0 + 410 + 91 + 103 = 666.

64448041091103 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 64448041091103 - 2² = 64448041091099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64448041091143) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1253193303 + ... + 1253244728.

It is an arithmetic number, because the mean of its divisors is an integer number (7760349886744).

Almost surely, 2^{64448041091103} is an apocalyptic number.

64448041091103 is a deficient number, since it is larger than the sum of its proper divisors (28676157549825).

64448041091103 is a wasteful number, since it uses less digits than its factorization.

64448041091103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506440894 (or 2506440891 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 64448041091103 in words is "sixty-four trillion, four hundred forty-eight billion, forty-one million, ninety-one thousand, one hundred three".