4401111541 has 2 divisors, whose sum is σ = 4401111542. Its totient is φ = 4401111540.

The previous prime is 4401111497. The next prime is 4401111553. The reversal of 4401111541 is 1451111044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4064572516 + 336539025 = 63754^2 + 18345^2 .

It is a cyclic number.

It is not a de Polignac number, because 4401111541 - 2⁷ = 4401111413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4401111241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200555770 + 2200555771.

It is an arithmetic number, because the mean of its divisors is an integer number (2200555771).

Almost surely, 2^4401111541 is an apocalyptic number.

It is an amenable number.

4401111541 is a deficient number, since it is larger than the sum of its proper divisors (1).

4401111541 is an equidigital number, since it uses as much as digits as its factorization.

4401111541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 4401111541 is about 66340.8738335575. The cubic root of 4401111541 is about 1638.7805158235.

Adding to 4401111541 its reverse (1451111044), we get a palindrome (5852222585).

The spelling of 4401111541 in words is "four billion, four hundred one million, one hundred eleven thousand, five hundred forty-one".