11420043303 has 24 divisors (see below), whose sum is σ = 15740818128. Its totient is φ = 7364318976.

The previous prime is 11420043223. The next prime is 11420043307. The reversal of 11420043303 is 30334002411.

It is not a de Polignac number, because 11420043303 - 2¹⁸ = 11419781159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11420043303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420043307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 702475 + ... + 718547.

It is an arithmetic number, because the mean of its divisors is an integer number (655867422).

Almost surely, 2^11420043303 is an apocalyptic number.

11420043303 is a deficient number, since it is larger than the sum of its proper divisors (4320774825).

11420043303 is a wasteful number, since it uses less digits than its factorization.

11420043303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16323 (or 16286 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 11420043303 its reverse (30334002411), we get a palindrome (41754045714).

The spelling of 11420043303 in words is "eleven billion, four hundred twenty million, forty-three thousand, three hundred three".