2991000011 has 2 divisors, whose sum is σ = 2991000012. Its totient is φ = 2991000010.

The previous prime is 2990999989. The next prime is 2991000059. The reversal of 2991000011 is 1100001992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2991000011 - 2²⁶ = 2923891147 is a prime.

It is not a weakly prime, because it can be changed into another prime (2991050011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1495500005 + 1495500006.

It is an arithmetic number, because the mean of its divisors is an integer number (1495500006).

Almost surely, 2^2991000011 is an apocalyptic number.

2991000011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2991000011 is an equidigital number, since it uses as much as digits as its factorization.

2991000011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 2991000011 is about 54690.0357560680. The cubic root of 2991000011 is about 1440.8058778452.

The spelling of 2991000011 in words is "two billion, nine hundred ninety-one million, eleven", and thus it is an aban number.