1091141112 has 16 divisors (see below), whose sum is σ = 2727852840. Its totient is φ = 363713696.

The previous prime is 1091141089. The next prime is 1091141113. The reversal of 1091141112 is 2111411901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1091141113) 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, 22732083 + ... + 22732130.

Almost surely, 2^1091141112 is an apocalyptic number.

1091141112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1091141112 is an abundant number, since it is smaller than the sum of its proper divisors (1636711728).

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

1091141112 is a wasteful number, since it uses less digits than its factorization.

1091141112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45464222 (or 45464218 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 21.

The square root of 1091141112 is about 33032.4251607417. The cubic root of 1091141112 is about 1029.5014749033.

The spelling of 1091141112 in words is "one billion, ninety-one million, one hundred forty-one thousand, one hundred twelve".