1128131041109 has 8 divisors (see below), whose sum is σ = 1194655832640. Its totient is φ = 1061624487616.

The previous prime is 1128131041091. The next prime is 1128131041153. The reversal of 1128131041109 is 9011401318211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1128131041109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128131041309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4432049 + ... + 4679670.

It is an arithmetic number, because the mean of its divisors is an integer number (149331979080).

Almost surely, 2^{1128131041109} is an apocalyptic number.

It is an amenable number.

1128131041109 is a deficient number, since it is larger than the sum of its proper divisors (66524791531).

1128131041109 is an equidigital number, since it uses as much as digits as its factorization.

1128131041109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9119019.

The product of its (nonzero) digits is 1728, while the sum is 32.

The spelling of 1128131041109 in words is "one trillion, one hundred twenty-eight billion, one hundred thirty-one million, forty-one thousand, one hundred nine".