541100111 has 2 divisors, whose sum is σ = 541100112. Its totient is φ = 541100110.

The previous prime is 541100051. The next prime is 541100113. The reversal of 541100111 is 111001145.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 541100111 - 2¹⁴ = 541083727 is a prime.

Together with 541100113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541100113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270550055 + 270550056.

It is an arithmetic number, because the mean of its divisors is an integer number (270550056).

Almost surely, 2^541100111 is an apocalyptic number.

541100111 is a deficient number, since it is larger than the sum of its proper divisors (1).

541100111 is an equidigital number, since it uses as much as digits as its factorization.

541100111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 541100111 is about 23261.5586537102. The cubic root of 541100111 is about 814.8779025944.

Adding to 541100111 its reverse (111001145), we get a palindrome (652101256).

The spelling of 541100111 in words is "five hundred forty-one million, one hundred thousand, one hundred eleven".