1105711992 has 256 divisors, whose sum is σ = 4032000000. Its totient is φ = 272004480.

The previous prime is 1105711969. The next prime is 1105712009. The reversal of 1105711992 is 2991175011.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 314259 + ... + 317757.

It is an arithmetic number, because the mean of its divisors is an integer number (15750000).

Almost surely, 2^1105711992 is an apocalyptic number.

1105711992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1105711992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2016000000).

1105711992 is an abundant number, since it is smaller than the sum of its proper divisors (2926288008).

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

1105711992 is a wasteful number, since it uses less digits than its factorization.

1105711992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551 (or 3541 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 36.

The square root of 1105711992 is about 33252.2479240126. The cubic root of 1105711992 is about 1034.0638121311.

The spelling of 1105711992 in words is "one billion, one hundred five million, seven hundred eleven thousand, nine hundred ninety-two".