1105111541 has 2 divisors, whose sum is σ = 1105111542. Its totient is φ = 1105111540.

The previous prime is 1105111531. The next prime is 1105111543. The reversal of 1105111541 is 1451115011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1028549041 + 76562500 = 32071^2 + 8750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1105111541 is a prime.

Together with 1105111543, 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 (1105111543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552555770 + 552555771.

It is an arithmetic number, because the mean of its divisors is an integer number (552555771).

Almost surely, 2^1105111541 is an apocalyptic number.

It is an amenable number.

1105111541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105111541 is an equidigital number, since it uses as much as digits as its factorization.

1105111541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100, while the sum is 20.

The square root of 1105111541 is about 33243.2179699860. The cubic root of 1105111541 is about 1033.8765972923.

Adding to 1105111541 its reverse (1451115011), we get a palindrome (2556226552).

The spelling of 1105111541 in words is "one billion, one hundred five million, one hundred eleven thousand, five hundred forty-one".