10993811 has 2 divisors, whose sum is σ = 10993812. Its totient is φ = 10993810.

The previous prime is 10993789. The next prime is 10993819. The reversal of 10993811 is 11839901.

It is a strong prime.

It is an emirp because it is prime and its reverse (11839901) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10993811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10993819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5496905 + 5496906.

It is an arithmetic number, because the mean of its divisors is an integer number (5496906).

Almost surely, 2^10993811 is an apocalyptic number.

10993811 is a deficient number, since it is larger than the sum of its proper divisors (1).

10993811 is an equidigital number, since it uses as much as digits as its factorization.

10993811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 10993811 is about 3315.6916322240. The cubic root of 10993811 is about 222.3562914963.

The spelling of 10993811 in words is "ten million, nine hundred ninety-three thousand, eight hundred eleven".