1105345211 has 4 divisors (see below), whose sum is σ = 1108945992. Its totient is φ = 1101744432.

The previous prime is 1105345187. The next prime is 1105345223. The reversal of 1105345211 is 1125435011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1105345211 - 2²⁶ = 1038236347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105345261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1799930 + ... + 1800543.

It is an arithmetic number, because the mean of its divisors is an integer number (277236498).

Almost surely, 2^1105345211 is an apocalyptic number.

1105345211 is a deficient number, since it is larger than the sum of its proper divisors (3600781).

1105345211 is an equidigital number, since it uses as much as digits as its factorization.

1105345211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600780.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1105345211 is about 33246.7323356747. The cubic root of 1105345211 is about 1033.9494614061.

The spelling of 1105345211 in words is "one billion, one hundred five million, three hundred forty-five thousand, two hundred eleven".