8111903 has 2 divisors, whose sum is σ = 8111904. Its totient is φ = 8111902.

The previous prime is 8111849. The next prime is 8111911. The reversal of 8111903 is 3091118.

8111903 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8111903 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8111923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4055951 + 4055952.

It is an arithmetic number, because the mean of its divisors is an integer number (4055952).

Almost surely, 2^8111903 is an apocalyptic number.

8111903 is a deficient number, since it is larger than the sum of its proper divisors (1).

8111903 is an equidigital number, since it uses as much as digits as its factorization.

8111903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 8111903 is about 2848.1402704221. The cubic root of 8111903 is about 200.9282104623.

The spelling of 8111903 in words is "eight million, one hundred eleven thousand, nine hundred three".