1105511101 has 2 divisors, whose sum is σ = 1105511102. Its totient is φ = 1105511100.

The previous prime is 1105511093. The next prime is 1105511131. The reversal of 1105511101 is 1011155011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 756195001 + 349316100 = 27499^2 + 18690^2 .

It is an emirp because it is prime and its reverse (1011155011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1105511101 - 2³ = 1105511093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105511131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552755550 + 552755551.

It is an arithmetic number, because the mean of its divisors is an integer number (552755551).

Almost surely, 2^1105511101 is an apocalyptic number.

It is an amenable number.

1105511101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105511101 is an equidigital number, since it uses as much as digits as its factorization.

1105511101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25, while the sum is 16.

The square root of 1105511101 is about 33249.2270737231. The cubic root of 1105511101 is about 1034.0011837985.

Adding to 1105511101 its reverse (1011155011), we get a palindrome (2116666112).

The spelling of 1105511101 in words is "one billion, one hundred five million, five hundred eleven thousand, one hundred one".