11051000203 has 2 divisors, whose sum is σ = 11051000204. Its totient is φ = 11051000202.

The previous prime is 11051000183. The next prime is 11051000221. The reversal of 11051000203 is 30200015011.

It is a strong prime.

It is an emirp because it is prime and its reverse (30200015011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11051000203 - 2⁵ = 11051000171 is a prime.

It is not a weakly prime, because it can be changed into another prime (11051000273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525500101 + 5525500102.

It is an arithmetic number, because the mean of its divisors is an integer number (5525500102).

Almost surely, 2^11051000203 is an apocalyptic number.

11051000203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11051000203 is an equidigital number, since it uses as much as digits as its factorization.

11051000203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 13.

Adding to 11051000203 its reverse (30200015011), we get a palindrome (41251015214).

The spelling of 11051000203 in words is "eleven billion, fifty-one million, two hundred three", and thus it is an aban number.