1105305311 has 4 divisors (see below), whose sum is σ = 1205787624. Its totient is φ = 1004823000.

The previous prime is 1105305287. The next prime is 1105305359. The reversal of 1105305311 is 1135035011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1135035011 = 11 ⋅103185001.

It is a cyclic number.

It is not a de Polignac number, because 1105305311 - 2⁶ = 1105305247 is a prime.

It is a super-3 number, since 3×1105305311³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105305361) 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, 50241140 + ... + 50241161.

It is an arithmetic number, because the mean of its divisors is an integer number (301446906).

Almost surely, 2^1105305311 is an apocalyptic number.

1105305311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1105305311 is a deficient number, since it is larger than the sum of its proper divisors (100482313).

1105305311 is a wasteful number, since it uses less digits than its factorization.

1105305311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100482312.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 1105305311 is about 33246.1322712883. The cubic root of 1105305311 is about 1033.9370203214.

The spelling of 1105305311 in words is "one billion, one hundred five million, three hundred five thousand, three hundred eleven".