445512011 has 16 divisors (see below), whose sum is σ = 526535424. Its totient is φ = 369049824.

The previous prime is 445511999. The next prime is 445512029. The reversal of 445512011 is 110215544.

It is a cyclic number.

It is not a de Polignac number, because 445512011 - 2⁶ = 445511947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445512031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15896 + ... + 33818.

It is an arithmetic number, because the mean of its divisors is an integer number (32908464).

Almost surely, 2^445512011 is an apocalyptic number.

445512011 is a deficient number, since it is larger than the sum of its proper divisors (81023413).

445512011 is a wasteful number, since it uses less digits than its factorization.

445512011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18050.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 445512011 is about 21107.1554454881. The cubic root of 445512011 is about 763.7533691054.

Adding to 445512011 its reverse (110215544), we get a palindrome (555727555).

The spelling of 445512011 in words is "four hundred forty-five million, five hundred twelve thousand, eleven".