11403344444 has 12 divisors (see below), whose sum is σ = 20161583904. Its totient is φ = 5642891904.

The previous prime is 11403344377. The next prime is 11403344471. The reversal of 11403344444 is 44444330411.

It is a self number, because there is not a number n which added to its sum of digits gives 11403344444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14694644 + ... + 14695419.

It is an arithmetic number, because the mean of its divisors is an integer number (1680131992).

Almost surely, 2^11403344444 is an apocalyptic number.

It is an amenable number.

11403344444 is a deficient number, since it is larger than the sum of its proper divisors (8758239460).

11403344444 is a wasteful number, since it uses less digits than its factorization.

11403344444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29390164 (or 29390162 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 11403344444 its reverse (44444330411), we get a palindrome (55847674855).

The spelling of 11403344444 in words is "eleven billion, four hundred three million, three hundred forty-four thousand, four hundred forty-four".