2011003441 has 4 divisors (see below), whose sum is σ = 2013619300. Its totient is φ = 2008387584.

The previous prime is 2011003427. The next prime is 2011003447. The reversal of 2011003441 is 1443001102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1443001102 = 2 ⋅721500551.

It can be written as a sum of positive squares in 2 ways, for example, as 1614834225 + 396169216 = 40185^2 + 19904^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011003441 - 2¹⁹ = 2010479153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011003447) 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, 1306776 + ... + 1308313.

It is an arithmetic number, because the mean of its divisors is an integer number (503404825).

Almost surely, 2^2011003441 is an apocalyptic number.

It is an amenable number.

2011003441 is a deficient number, since it is larger than the sum of its proper divisors (2615859).

2011003441 is an equidigital number, since it uses as much as digits as its factorization.

2011003441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615858.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2011003441 is about 44844.2130157281. The cubic root of 2011003441 is about 1262.2274032376.

Adding to 2011003441 its reverse (1443001102), we get a palindrome (3454004543).

The spelling of 2011003441 in words is "two billion, eleven million, three thousand, four hundred forty-one".