1011144441 has 32 divisors (see below), whose sum is σ = 1426056192. Its totient is φ = 636592320.

The previous prime is 1011144403. The next prime is 1011144443. The reversal of 1011144441 is 1444411101.

It is not a de Polignac number, because 1011144441 - 2⁷ = 1011144313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011144443) 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 31 ways as a sum of consecutive naturals, for example, 484386 + ... + 486468.

It is an arithmetic number, because the mean of its divisors is an integer number (44564256).

Almost surely, 2^1011144441 is an apocalyptic number.

It is an amenable number.

1011144441 is a deficient number, since it is larger than the sum of its proper divisors (414911751).

1011144441 is a wasteful number, since it uses less digits than its factorization.

1011144441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 1011144441 is about 31798.4974645029. The cubic root of 1011144441 is about 1003.7010986362.

Adding to 1011144441 its reverse (1444411101), we get a palindrome (2455555542).

The spelling of 1011144441 in words is "one billion, eleven million, one hundred forty-four thousand, four hundred forty-one".