11910903773 has 2 divisors, whose sum is σ = 11910903774. Its totient is φ = 11910903772.

The previous prime is 11910903733. The next prime is 11910903779. The reversal of 11910903773 is 37730901911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9908609764 + 2002294009 = 99542^2 + 44747^2 .

It is an emirp because it is prime and its reverse (37730901911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11910903773 - 2⁶ = 11910903709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11910903773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11910903779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5955451886 + 5955451887.

It is an arithmetic number, because the mean of its divisors is an integer number (5955451887).

Almost surely, 2^11910903773 is an apocalyptic number.

It is an amenable number.

11910903773 is a deficient number, since it is larger than the sum of its proper divisors (1).

11910903773 is an equidigital number, since it uses as much as digits as its factorization.

11910903773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35721, while the sum is 41.

The spelling of 11910903773 in words is "eleven billion, nine hundred ten million, nine hundred three thousand, seven hundred seventy-three".