2001441055 has 4 divisors (see below), whose sum is σ = 2401729272. Its totient is φ = 1601152840.

The previous prime is 2001441053. The next prime is 2001441077. The reversal of 2001441055 is 5501441002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5501441002 = 2 ⋅2750720501.

It is not a de Polignac number, because 2001441055 - 2¹ = 2001441053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001441053) 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, 200144101 + ... + 200144110.

It is an arithmetic number, because the mean of its divisors is an integer number (600432318).

Almost surely, 2^2001441055 is an apocalyptic number.

2001441055 is a deficient number, since it is larger than the sum of its proper divisors (400288217).

2001441055 is an equidigital number, since it uses as much as digits as its factorization.

2001441055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400288216.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2001441055 is about 44737.4681335455. The cubic root of 2001441055 is about 1260.2235798342.

Adding to 2001441055 its reverse (5501441002), we get a palindrome (7502882057).

The spelling of 2001441055 in words is "two billion, one million, four hundred forty-one thousand, fifty-five".