1089528794112 has 88 divisors (see below), whose sum is σ = 3167990782272. Its totient is φ = 330160230400.

The previous prime is 1089528794089. The next prime is 1089528794113. The reversal of 1089528794112 is 2114978259801.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (88).

It is not an unprimeable number, because it can be changed into a prime (1089528794113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16087314 + ... + 16154897.

Almost surely, 2^{1089528794112} is an apocalyptic number.

1089528794112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1089528794112 is an abundant number, since it is smaller than the sum of its proper divisors (2078461988160).

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

1089528794112 is a wasteful number, since it uses less digits than its factorization.

1089528794112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32242245 (or 32242227 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 57.

The spelling of 1089528794112 in words is "one trillion, eighty-nine billion, five hundred twenty-eight million, seven hundred ninety-four thousand, one hundred twelve".