445305550110521 has 16 divisors (see below), whose sum is σ = 448760466072576. Its totient is φ = 441860105141136.

The previous prime is 445305550110511. The next prime is 445305550110523. The reversal of 445305550110521 is 125011055503544.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445305550110521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445305550110523) 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 15 ways as a sum of consecutive naturals, for example, 1882724750 + ... + 1882961256.

It is an arithmetic number, because the mean of its divisors is an integer number (28047529129536).

Almost surely, 2^{445305550110521} is an apocalyptic number.

It is an amenable number.

445305550110521 is a deficient number, since it is larger than the sum of its proper divisors (3454915962055).

445305550110521 is a wasteful number, since it uses less digits than its factorization.

445305550110521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256468.

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 445305550110521 in words is "four hundred forty-five trillion, three hundred five billion, five hundred fifty million, one hundred ten thousand, five hundred twenty-one".