11135540203 has 2 divisors, whose sum is σ = 11135540204. Its totient is φ = 11135540202.

The previous prime is 11135540167. The next prime is 11135540219. The reversal of 11135540203 is 30204553111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11135540203 - 2³³ = 2545605611 is a prime.

It is a super-2 number, since 2×11135540203² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11135540233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5567770101 + 5567770102.

It is an arithmetic number, because the mean of its divisors is an integer number (5567770102).

Almost surely, 2^11135540203 is an apocalyptic number.

11135540203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11135540203 is an equidigital number, since it uses as much as digits as its factorization.

11135540203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

It can be divided in two parts, 1113 and 5540203, that added together give a square (5541316 = 2354²).

The spelling of 11135540203 in words is "eleven billion, one hundred thirty-five million, five hundred forty thousand, two hundred three".