1011144133 has 4 divisors (see below), whose sum is σ = 1011598380. Its totient is φ = 1010689888.

The previous prime is 1011144119. The next prime is 1011144149. The reversal of 1011144133 is 3314411101.

1011144133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 799645284 + 211498849 = 28278^2 + 14543^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011144133 - 2⁹ = 1011143621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011144133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011144163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223768 + ... + 228241.

It is an arithmetic number, because the mean of its divisors is an integer number (252899595).

Almost surely, 2^1011144133 is an apocalyptic number.

It is an amenable number.

1011144133 is a deficient number, since it is larger than the sum of its proper divisors (454247).

1011144133 is an equidigital number, since it uses as much as digits as its factorization.

1011144133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454246.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1011144133 is about 31798.4926215064. The cubic root of 1011144133 is about 1003.7009967253.

Adding to 1011144133 its reverse (3314411101), we get a palindrome (4325555234).

The spelling of 1011144133 in words is "one billion, eleven million, one hundred forty-four thousand, one hundred thirty-three".