1091112048 has 60 divisors (see below), whose sum is σ = 3288496120. Its totient is φ = 335726208.

The previous prime is 1091112023. The next prime is 1091112059. The reversal of 1091112048 is 8402111901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289558 + ... + 293301.

Almost surely, 2^1091112048 is an apocalyptic number.

1091112048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1091112048 is an abundant number, since it is smaller than the sum of its proper divisors (2197384072).

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

1091112048 is a wasteful number, since it uses less digits than its factorization.

1091112048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582886 (or 582877 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 1091112048 is about 33031.9852264438. The cubic root of 1091112048 is about 1029.4923341068.

Adding to 1091112048 its reverse (8402111901), we get a palindrome (9493223949).

The spelling of 1091112048 in words is "one billion, ninety-one million, one hundred twelve thousand, forty-eight".