11402144443 has 8 divisors (see below), whose sum is σ = 12114638640. Its totient is φ = 10731425440.

The previous prime is 11402144423. The next prime is 11402144471. The reversal of 11402144443 is 34444120411.

It is a de Polignac number, because none of the positive numbers 2^k-11402144443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11402144423) 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, 1155493 + ... + 1165318.

It is an arithmetic number, because the mean of its divisors is an integer number (1514329830).

Almost surely, 2^11402144443 is an apocalyptic number.

11402144443 is a deficient number, since it is larger than the sum of its proper divisors (712494197).

11402144443 is an frugal number, since it uses more digits than its factorization.

11402144443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320862 (or 2320828 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 11402144443 its reverse (34444120411), we get a palindrome (45846264854).

The spelling of 11402144443 in words is "eleven billion, four hundred two million, one hundred forty-four thousand, four hundred forty-three".