1105091868 has 48 divisors (see below), whose sum is σ = 2750225184. Its totient is φ = 344156160.

The previous prime is 1105091863. The next prime is 1105091891. The reversal of 1105091868 is 8681905011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105091861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8178 + ... + 47718.

It is an arithmetic number, because the mean of its divisors is an integer number (57296358).

Almost surely, 2^1105091868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1105091868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1375112592).

1105091868 is an abundant number, since it is smaller than the sum of its proper divisors (1645133316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1105091868 is a wasteful number, since it uses less digits than its factorization.

1105091868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39702 (or 39700 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 39.

The square root of 1105091868 is about 33242.9220737287. The cubic root of 1105091868 is about 1033.8704622932.

Adding to 1105091868 its reverse (8681905011), we get a palindrome (9786996879).

The spelling of 1105091868 in words is "one billion, one hundred five million, ninety-one thousand, eight hundred sixty-eight".