11780903 has 2 divisors, whose sum is σ = 11780904. Its totient is φ = 11780902.

The previous prime is 11780897. The next prime is 11780921. The reversal of 11780903 is 30908711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11780903 - 2⁴ = 11780887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11780933) 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, 5890451 + 5890452.

It is an arithmetic number, because the mean of its divisors is an integer number (5890452).

Almost surely, 2^11780903 is an apocalyptic number.

11780903 is a deficient number, since it is larger than the sum of its proper divisors (1).

11780903 is an equidigital number, since it uses as much as digits as its factorization.

11780903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 11780903 is about 3432.3320060857. The cubic root of 11780903 is about 227.5409289160.

The spelling of 11780903 in words is "eleven million, seven hundred eighty thousand, nine hundred three".