110766991 has 2 divisors, whose sum is σ = 110766992. Its totient is φ = 110766990.

The previous prime is 110766989. The next prime is 110767001. The reversal of 110766991 is 199667011.

It is a weak prime.

It is an emirp because it is prime and its reverse (199667011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110766991 - 2¹ = 110766989 is a prime.

Together with 110766989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110766791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55383495 + 55383496.

It is an arithmetic number, because the mean of its divisors is an integer number (55383496).

Almost surely, 2^110766991 is an apocalyptic number.

110766991 is a deficient number, since it is larger than the sum of its proper divisors (1).

110766991 is an equidigital number, since it uses as much as digits as its factorization.

110766991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 110766991 is about 10524.5898257367. The cubic root of 110766991 is about 480.2530364356.

The spelling of 110766991 in words is "one hundred ten million, seven hundred sixty-six thousand, nine hundred ninety-one".