12091111002911 has 6 divisors (see below), whose sum is σ = 12353842253760. Its totient is φ = 11833853319836.

The previous prime is 12091111002889. The next prime is 12091111002913. The reversal of 12091111002911 is 11920011119021.

It is not a de Polignac number, because 12091111002911 - 2³⁰ = 12090037261087 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 (12091111002913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2736781631 + ... + 2736786048.

It is an arithmetic number, because the mean of its divisors is an integer number (2058973708960).

Almost surely, 2^{12091111002911} is an apocalyptic number.

12091111002911 is a deficient number, since it is larger than the sum of its proper divisors (262731250849).

12091111002911 is an frugal number, since it uses more digits than its factorization.

12091111002911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473567773 (or 5473567726 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 29.

The spelling of 12091111002911 in words is "twelve trillion, ninety-one billion, one hundred eleven million, two thousand, nine hundred eleven".