445001331111 has 8 divisors (see below), whose sum is σ = 609371192304. Its totient is φ = 288649512000.

The previous prime is 445001331023. The next prime is 445001331209. The reversal of 445001331111 is 111133100544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 445001331111 - 2³⁴ = 427821461927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445008331111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2004510390 + ... + 2004510611.

It is an arithmetic number, because the mean of its divisors is an integer number (76171399038).

Almost surely, 2^445001331111 is an apocalyptic number.

445001331111 is a deficient number, since it is larger than the sum of its proper divisors (164369861193).

445001331111 is a wasteful number, since it uses less digits than its factorization.

445001331111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009021041.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 445001331111 its reverse (111133100544), we get a palindrome (556134431655).

The spelling of 445001331111 in words is "four hundred forty-five billion, one million, three hundred thirty-one thousand, one hundred eleven".