10115993 has 2 divisors, whose sum is σ = 10115994. Its totient is φ = 10115992.

The previous prime is 10115953. The next prime is 10116011. The reversal of 10115993 is 39951101.

10115993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9815689 + 300304 = 3133^2 + 548^2 .

It is an emirp because it is prime and its reverse (39951101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10115993 - 2⁸ = 10115737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10115953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5057996 + 5057997.

It is an arithmetic number, because the mean of its divisors is an integer number (5057997).

Almost surely, 2^10115993 is an apocalyptic number.

It is an amenable number.

10115993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10115993 is an equidigital number, since it uses as much as digits as its factorization.

10115993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1215, while the sum is 29.

The square root of 10115993 is about 3180.5648869344. The cubic root of 10115993 is about 216.2732666781.

The spelling of 10115993 in words is "ten million, one hundred fifteen thousand, nine hundred ninety-three".