1011100444 has 12 divisors (see below), whose sum is σ = 1782933768. Its totient is φ = 501690800.

The previous prime is 1011100429. The next prime is 1011100469. The reversal of 1011100444 is 4440011101.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 964267 + ... + 965314.

It is an arithmetic number, because the mean of its divisors is an integer number (148577814).

Almost surely, 2^1011100444 is an apocalyptic number.

It is an amenable number.

1011100444 is a deficient number, since it is larger than the sum of its proper divisors (771833324).

1011100444 is a wasteful number, since it uses less digits than its factorization.

1011100444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929716 (or 1929714 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1011100444 is about 31797.8056475600. The cubic root of 1011100444 is about 1003.6865407168.

Adding to 1011100444 its reverse (4440011101), we get a palindrome (5451111545).

The spelling of 1011100444 in words is "one billion, eleven million, one hundred thousand, four hundred forty-four".