1111043144 has 8 divisors (see below), whose sum is σ = 2083205910. Its totient is φ = 555521568.

The previous prime is 1111043113. The next prime is 1111043179. The reversal of 1111043144 is 4413401111.

It can be written as a sum of positive squares in only one way, i.e., 696432100 + 414611044 = 26390^2 + 20362^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 69440189 + ... + 69440204.

Almost surely, 2^1111043144 is an apocalyptic number.

It is an amenable number.

1111043144 is a deficient number, since it is larger than the sum of its proper divisors (972162766).

1111043144 is a wasteful number, since it uses less digits than its factorization.

1111043144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138880399 (or 138880395 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1111043144 is about 33332.3138110753. The cubic root of 1111043144 is about 1035.7230492590.

Adding to 1111043144 its reverse (4413401111), we get a palindrome (5524444255).

The spelling of 1111043144 in words is "one billion, one hundred eleven million, forty-three thousand, one hundred forty-four".