2011158441 has 6 divisors (see below), whose sum is σ = 2905006650. Its totient is φ = 1340772288.

The previous prime is 2011158431. The next prime is 2011158467. The reversal of 2011158441 is 1448511102.

It is a happy number.

2011158441 is a `hidden beast` number, since 201 + 1 + 15 + 8 + 441 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1614352041 + 396806400 = 40179^2 + 19920^2 .

It is not a de Polignac number, because 2011158441 - 2⁷ = 2011158313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011158431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111731016 + ... + 111731033.

It is an arithmetic number, because the mean of its divisors is an integer number (484167775).

Almost surely, 2^2011158441 is an apocalyptic number.

It is an amenable number.

2011158441 is a deficient number, since it is larger than the sum of its proper divisors (893848209).

2011158441 is a wasteful number, since it uses less digits than its factorization.

2011158441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223462055 (or 223462052 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 2011158441 is about 44845.9411875813. The cubic root of 2011158441 is about 1262.2598315297.

Adding to 2011158441 its reverse (1448511102), we get a palindrome (3459669543).

The spelling of 2011158441 in words is "two billion, eleven million, one hundred fifty-eight thousand, four hundred forty-one".