445451452211 has 4 divisors (see below), whose sum is σ = 445853122800. Its totient is φ = 445049781624.

The previous prime is 445451452177. The next prime is 445451452241. The reversal of 445451452211 is 112254154544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 445451452211 - 2²² = 445447257907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445451452241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200833631 + ... + 200835848.

It is an arithmetic number, because the mean of its divisors is an integer number (111463280700).

Almost surely, 2^445451452211 is an apocalyptic number.

445451452211 is a deficient number, since it is larger than the sum of its proper divisors (401670589).

445451452211 is a wasteful number, since it uses less digits than its factorization.

445451452211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401670588.

The product of its digits is 128000, while the sum is 38.

The spelling of 445451452211 in words is "four hundred forty-five billion, four hundred fifty-one million, four hundred fifty-two thousand, two hundred eleven".