4442521111 has 4 divisors (see below), whose sum is σ = 5077166992. Its totient is φ = 3807875232.

The previous prime is 4442521103. The next prime is 4442521117. The reversal of 4442521111 is 1111252444.

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

It is not a de Polignac number, because 4442521111 - 2³ = 4442521103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442521117) 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 3 ways as a sum of consecutive naturals, for example, 317322930 + ... + 317322943.

It is an arithmetic number, because the mean of its divisors is an integer number (1269291748).

Almost surely, 2^4442521111 is an apocalyptic number.

4442521111 is a deficient number, since it is larger than the sum of its proper divisors (634645881).

4442521111 is an equidigital number, since it uses as much as digits as its factorization.

4442521111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634645880.

The product of its digits is 1280, while the sum is 25.

The square root of 4442521111 is about 66652.2401048907. The cubic root of 4442521111 is about 1643.9041812592.

Adding to 4442521111 its reverse (1111252444), we get a palindrome (5553773555).

It can be divided in two parts, 44425 and 21111, that added together give a 16-th power (65536 = 2¹⁶).

The spelling of 4442521111 in words is "four billion, four hundred forty-two million, five hundred twenty-one thousand, one hundred eleven".