11421728303 has 2 divisors, whose sum is σ = 11421728304. Its totient is φ = 11421728302.

The previous prime is 11421728293. The next prime is 11421728317. The reversal of 11421728303 is 30382712411.

It is a weak prime.

It is an emirp because it is prime and its reverse (30382712411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11421728303 - 2¹⁶ = 11421662767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11421728303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11421728603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710864151 + 5710864152.

It is an arithmetic number, because the mean of its divisors is an integer number (5710864152).

Almost surely, 2^11421728303 is an apocalyptic number.

11421728303 is a deficient number, since it is larger than the sum of its proper divisors (1).

11421728303 is an equidigital number, since it uses as much as digits as its factorization.

11421728303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 11421728303 in words is "eleven billion, four hundred twenty-one million, seven hundred twenty-eight thousand, three hundred three".