11440903 has 2 divisors, whose sum is σ = 11440904. Its totient is φ = 11440902.

The previous prime is 11440889. The next prime is 11440909. The reversal of 11440903 is 30904411.

11440903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (30904411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11440903 - 2⁹ = 11440391 is a prime.

It is a super-2 number, since 2×11440903² = 261788522910818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11440909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5720451 + 5720452.

It is an arithmetic number, because the mean of its divisors is an integer number (5720452).

Almost surely, 2^11440903 is an apocalyptic number.

11440903 is a deficient number, since it is larger than the sum of its proper divisors (1).

11440903 is an equidigital number, since it uses as much as digits as its factorization.

11440903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 11440903 is about 3382.4403911969. The cubic root of 11440903 is about 225.3305626699.

The spelling of 11440903 in words is "eleven million, four hundred forty thousand, nine hundred three".