11403221303 has 8 divisors (see below), whose sum is σ = 11561362176. Its totient is φ = 11245132800.

The previous prime is 11403221287. The next prime is 11403221329. The reversal of 11403221303 is 30312230411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11403221303 - 2⁴ = 11403221287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403221003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669098 + ... + 685928.

It is an arithmetic number, because the mean of its divisors is an integer number (1445170272).

Almost surely, 2^11403221303 is an apocalyptic number.

11403221303 is a deficient number, since it is larger than the sum of its proper divisors (158140873).

11403221303 is an equidigital number, since it uses as much as digits as its factorization.

11403221303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26185.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11403221303 its reverse (30312230411), we get a palindrome (41715451714).

The spelling of 11403221303 in words is "eleven billion, four hundred three million, two hundred twenty-one thousand, three hundred three".