1105111349 has 2 divisors, whose sum is σ = 1105111350. Its totient is φ = 1105111348.

The previous prime is 1105111313. The next prime is 1105111351. The reversal of 1105111349 is 9431115011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 553096324 + 552015025 = 23518^2 + 23495^2 .

It is an emirp because it is prime and its reverse (9431115011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1105111349 - 2⁸ = 1105111093 is a prime.

Together with 1105111351, 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 (1105161349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552555674 + 552555675.

It is an arithmetic number, because the mean of its divisors is an integer number (552555675).

Almost surely, 2^1105111349 is an apocalyptic number.

It is an amenable number.

1105111349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105111349 is an equidigital number, since it uses as much as digits as its factorization.

1105111349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 26.

The square root of 1105111349 is about 33243.2150821788. The cubic root of 1105111349 is about 1033.8765374177.

The spelling of 1105111349 in words is "one billion, one hundred five million, one hundred eleven thousand, three hundred forty-nine".