10111903 has 2 divisors, whose sum is σ = 10111904. Its totient is φ = 10111902.

The previous prime is 10111901. The next prime is 10111931. The reversal of 10111903 is 30911101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10111903 - 2¹ = 10111901 is a prime.

Together with 10111901, 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 (10111901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055951 + 5055952.

It is an arithmetic number, because the mean of its divisors is an integer number (5055952).

Almost surely, 2^10111903 is an apocalyptic number.

10111903 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111903 is an equidigital number, since it uses as much as digits as its factorization.

10111903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 16.

The square root of 10111903 is about 3179.9218543857. The cubic root of 10111903 is about 216.2441155805.

The spelling of 10111903 in words is "ten million, one hundred eleven thousand, nine hundred three".