2011130444 has 12 divisors (see below), whose sum is σ = 3531916584. Its totient is φ = 1002011424.

The previous prime is 2011130431. The next prime is 2011130453. The reversal of 2011130444 is 4440311102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887177 + ... + 889440.

It is an arithmetic number, because the mean of its divisors is an integer number (294326382).

Almost surely, 2^2011130444 is an apocalyptic number.

It is an amenable number.

2011130444 is a deficient number, since it is larger than the sum of its proper divisors (1520786140).

2011130444 is a wasteful number, since it uses less digits than its factorization.

2011130444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776904 (or 1776902 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2011130444 is about 44845.6290400748. The cubic root of 2011130444 is about 1262.2539742666.

Adding to 2011130444 its reverse (4440311102), we get a palindrome (6451441546).

The spelling of 2011130444 in words is "two billion, eleven million, one hundred thirty thousand, four hundred forty-four".