10080991 has 2 divisors, whose sum is σ = 10080992. Its totient is φ = 10080990.

The previous prime is 10080989. The next prime is 10080997. The reversal of 10080991 is 19908001.

10080991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10080991 - 2¹ = 10080989 is a prime.

Together with 10080989, 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 (10080997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5040495 + 5040496.

It is an arithmetic number, because the mean of its divisors is an integer number (5040496).

Almost surely, 2^10080991 is an apocalyptic number.

10080991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10080991 is an equidigital number, since it uses as much as digits as its factorization.

10080991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 10080991 is about 3175.0576372721. The cubic root of 10080991 is about 216.0235385299.

Adding to 10080991 its reverse (19908001), we get a palindrome (29988992).

The spelling of 10080991 in words is "ten million, eighty thousand, nine hundred ninety-one".