11443412403 has 8 divisors (see below), whose sum is σ = 16953203600. Its totient is φ = 7628941584.

The previous prime is 11443412401. The next prime is 11443412411. The reversal of 11443412403 is 30421434411.

11443412403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11443412403 - 2¹ = 11443412401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 423830089 = 11443412403 / (1 + 1 + 4 + 4 + 3 + 4 + 1 + 2 + 4 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11443412401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211915018 + ... + 211915071.

It is an arithmetic number, because the mean of its divisors is an integer number (2119150450).

Almost surely, 2^11443412403 is an apocalyptic number.

11443412403 is a deficient number, since it is larger than the sum of its proper divisors (5509791197).

11443412403 is an equidigital number, since it uses as much as digits as its factorization.

11443412403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423830098 (or 423830092 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 11443412403 its reverse (30421434411), we get a palindrome (41864846814).

The spelling of 11443412403 in words is "eleven billion, four hundred forty-three million, four hundred twelve thousand, four hundred three".