11203021444 has 6 divisors (see below), whose sum is σ = 19605287534. Its totient is φ = 5601510720.

The previous prime is 11203021381. The next prime is 11203021457. The reversal of 11203021444 is 44412030211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7279502400 + 3923519044 = 85320^2 + 62638^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400377677 + ... + 1400377684.

Almost surely, 2^11203021444 is an apocalyptic number.

It is an amenable number.

11203021444 is a deficient number, since it is larger than the sum of its proper divisors (8402266090).

11203021444 is a wasteful number, since it uses less digits than its factorization.

11203021444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800755365 (or 2800755363 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11203021444 its reverse (44412030211), we get a palindrome (55615051655).

The spelling of 11203021444 in words is "eleven billion, two hundred three million, twenty-one thousand, four hundred forty-four".