11540203 has 2 divisors, whose sum is σ = 11540204. Its totient is φ = 11540202.

The previous prime is 11540143. The next prime is 11540233. The reversal of 11540203 is 30204511.

11540203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (30204511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11540203 - 2⁹ = 11539691 is a prime.

It is not a weakly prime, because it can be changed into another prime (11540233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5770101 + 5770102.

It is an arithmetic number, because the mean of its divisors is an integer number (5770102).

Almost surely, 2^11540203 is an apocalyptic number.

11540203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11540203 is an equidigital number, since it uses as much as digits as its factorization.

11540203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 11540203 is about 3397.0874289603. The cubic root of 11540203 is about 225.9805958749.

Adding to 11540203 its reverse (30204511), we get a palindrome (41744714).

The spelling of 11540203 in words is "eleven million, five hundred forty thousand, two hundred three".