1105861338 has 24 divisors (see below), whose sum is σ = 2406325428. Its totient is φ = 367036992.

The previous prime is 1105861333. The next prime is 1105861349. The reversal of 1105861338 is 8331685011.

1105861338 is a `hidden beast` number, since 1 + 1 + 0 + 5 + 8 + 613 + 38 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 956850489 + 149010849 = 30933^2 + 12207^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1105861333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127645 + ... + 136032.

Almost surely, 2^1105861338 is an apocalyptic number.

1105861338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1105861338 is an abundant number, since it is smaller than the sum of its proper divisors (1300464090).

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

1105861338 is a wasteful number, since it uses less digits than its factorization.

1105861338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263918 (or 263915 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1105861338 is about 33254.4935008789. The cubic root of 1105861338 is about 1034.1103662497.

The spelling of 1105861338 in words is "one billion, one hundred five million, eight hundred sixty-one thousand, three hundred thirty-eight".