4411144541 has 4 divisors (see below), whose sum is σ = 4412832732. Its totient is φ = 4409456352.

The previous prime is 4411144537. The next prime is 4411144559. The reversal of 4411144541 is 1454411144.

It is a happy number.

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 4344787225 + 66357316 = 65915^2 + 8146^2 .

It is a cyclic number.

It is not a de Polignac number, because 4411144541 - 2² = 4411144537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4411144511) 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, 840170 + ... + 845403.

It is an arithmetic number, because the mean of its divisors is an integer number (1103208183).

Almost surely, 2^4411144541 is an apocalyptic number.

It is an amenable number.

4411144541 is a deficient number, since it is larger than the sum of its proper divisors (1688191).

4411144541 is a wasteful number, since it uses less digits than its factorization.

4411144541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688190.

The product of its digits is 5120, while the sum is 29.

The square root of 4411144541 is about 66416.4478197984. The cubic root of 4411144541 is about 1640.0248535050.

Adding to 4411144541 its reverse (1454411144), we get a palindrome (5865555685).

The spelling of 4411144541 in words is "four billion, four hundred eleven million, one hundred forty-four thousand, five hundred forty-one".