1011111044 has 12 divisors (see below), whose sum is σ = 1770109068. Its totient is φ = 505365600.

The previous prime is 1011110999. The next prime is 1011111053. The reversal of 1011111044 is 4401111101.

It can be written as a sum of positive squares in 2 ways, for example, as 320052100 + 691058944 = 17890^2 + 26288^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35147 + ... + 57074.

It is an arithmetic number, because the mean of its divisors is an integer number (147509089).

Almost surely, 2^1011111044 is an apocalyptic number.

It is an amenable number.

1011111044 is a deficient number, since it is larger than the sum of its proper divisors (758998024).

1011111044 is a wasteful number, since it uses less digits than its factorization.

1011111044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94966 (or 94964 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 1011111044 is about 31797.9723252914. The cubic root of 1011111044 is about 1003.6900481297.

Adding to 1011111044 its reverse (4401111101), we get a palindrome (5412222145).

The spelling of 1011111044 in words is "one billion, eleven million, one hundred eleven thousand, forty-four".