1044521111 has 2 divisors, whose sum is σ = 1044521112. Its totient is φ = 1044521110.

The previous prime is 1044521087. The next prime is 1044521183. The reversal of 1044521111 is 1111254401.

It is a weak prime.

It is an emirp because it is prime and its reverse (1111254401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1044521111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1044521311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522260555 + 522260556.

It is an arithmetic number, because the mean of its divisors is an integer number (522260556).

Almost surely, 2^1044521111 is an apocalyptic number.

1044521111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044521111 is an equidigital number, since it uses as much as digits as its factorization.

1044521111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 1044521111 is about 32319.0518270571. The cubic root of 1044521111 is about 1014.6254244844.

Adding to 1044521111 its reverse (1111254401), we get a palindrome (2155775512).

The spelling of 1044521111 in words is "one billion, forty-four million, five hundred twenty-one thousand, one hundred eleven".