11004343203 has 64 divisors (see below), whose sum is σ = 17570856960. Its totient is φ = 5994172800.

The previous prime is 11004343177. The next prime is 11004343211. The reversal of 11004343203 is 30234340011.

It is not a de Polignac number, because 11004343203 - 2⁹ = 11004342691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 11004343203.

It is not an unprimeable number, because it can be changed into a prime (11004343283) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16647693 + ... + 16648353.

It is an arithmetic number, because the mean of its divisors is an integer number (274544640).

Almost surely, 2^11004343203 is an apocalyptic number.

11004343203 is a deficient number, since it is larger than the sum of its proper divisors (6566513757).

11004343203 is a wasteful number, since it uses less digits than its factorization.

11004343203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 11004343203 its reverse (30234340011), we get a palindrome (41238683214).

The spelling of 11004343203 in words is "eleven billion, four million, three hundred forty-three thousand, two hundred three".