11002766891 has 2 divisors, whose sum is σ = 11002766892. Its totient is φ = 11002766890.

The previous prime is 11002766839. The next prime is 11002766899. The reversal of 11002766891 is 19866720011.

It is a strong prime.

It is an emirp because it is prime and its reverse (19866720011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11002766891 is a prime.

It is not a weakly prime, because it can be changed into another prime (11002766899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501383445 + 5501383446.

It is an arithmetic number, because the mean of its divisors is an integer number (5501383446).

Almost surely, 2^11002766891 is an apocalyptic number.

11002766891 is a deficient number, since it is larger than the sum of its proper divisors (1).

11002766891 is an equidigital number, since it uses as much as digits as its factorization.

11002766891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 11002766891 in words is "eleven billion, two million, seven hundred sixty-six thousand, eight hundred ninety-one".