1091092730112 has 288 divisors, whose sum is σ = 4022717583360. Its totient is φ = 283400570880.

The previous prime is 1091092730071. The next prime is 1091092730113. The reversal of 1091092730112 is 2110372901901.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-3 number, since 3×1091092730112³ (a number of 37 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1091092730113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 492808 + ... + 1557255.

Almost surely, 2^{1091092730112} is an apocalyptic number.

1091092730112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1091092730112 is an abundant number, since it is smaller than the sum of its proper divisors (2931624853248).

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

1091092730112 is a wasteful number, since it uses less digits than its factorization.

1091092730112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050106 (or 2050086 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 36.

The spelling of 1091092730112 in words is "one trillion, ninety-one billion, ninety-two million, seven hundred thirty thousand, one hundred twelve".