11440306443 has 16 divisors (see below), whose sum is σ = 15376919040. Its totient is φ = 7565472576.

The previous prime is 11440306387. The next prime is 11440306487. The reversal of 11440306443 is 34460304411.

11440306443 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 11440306443 - 2¹⁸ = 11440044299 is a prime.

It is a super-2 number, since 2×11440306443² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11440306443.

It is not an unprimeable number, because it can be changed into a prime (11440306343) 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 15 ways as a sum of consecutive naturals, for example, 220543 + ... + 267431.

It is an arithmetic number, because the mean of its divisors is an integer number (961057440).

Almost surely, 2^11440306443 is an apocalyptic number.

11440306443 is a deficient number, since it is larger than the sum of its proper divisors (3936612597).

11440306443 is a wasteful number, since it uses less digits than its factorization.

11440306443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47546.

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 11440306443 in words is "eleven billion, four hundred forty million, three hundred six thousand, four hundred forty-three".