11400442203 has 8 divisors (see below), whose sum is σ = 15214893568. Its totient is φ = 7593142824.

The previous prime is 11400442201. The next prime is 11400442279. The reversal of 11400442203 is 30224400411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11400442203 - 2¹ = 11400442201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11400442203.

It is not an unprimeable number, because it can be changed into a prime (11400442201) 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, 1784275 + ... + 1790652.

It is an arithmetic number, because the mean of its divisors is an integer number (1901861696).

Almost surely, 2^11400442203 is an apocalyptic number.

11400442203 is a deficient number, since it is larger than the sum of its proper divisors (3814451365).

11400442203 is a wasteful number, since it uses less digits than its factorization.

11400442203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575993.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 11400442203 its reverse (30224400411), we get a palindrome (41624842614).

The spelling of 11400442203 in words is "eleven billion, four hundred million, four hundred forty-two thousand, two hundred three".