11001600203 has 4 divisors (see below), whose sum is σ = 12001745688. Its totient is φ = 10001454720.

The previous prime is 11001600193. The next prime is 11001600241. The reversal of 11001600203 is 30200610011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11001600203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001600703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500072726 + ... + 500072747.

It is an arithmetic number, because the mean of its divisors is an integer number (3000436422).

Almost surely, 2^11001600203 is an apocalyptic number.

11001600203 is a deficient number, since it is larger than the sum of its proper divisors (1000145485).

11001600203 is a wasteful number, since it uses less digits than its factorization.

11001600203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000145484.

The product of its (nonzero) digits is 36, while the sum is 14.

The spelling of 11001600203 in words is "eleven billion, one million, six hundred thousand, two hundred three".