11521135303 has 2 divisors, whose sum is σ = 11521135304. Its totient is φ = 11521135302.

The previous prime is 11521135271. The next prime is 11521135313. The reversal of 11521135303 is 30353112511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11521135303 - 2⁵ = 11521135271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11521135313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5760567651 + 5760567652.

It is an arithmetic number, because the mean of its divisors is an integer number (5760567652).

Almost surely, 2^11521135303 is an apocalyptic number.

11521135303 is a deficient number, since it is larger than the sum of its proper divisors (1).

11521135303 is an equidigital number, since it uses as much as digits as its factorization.

11521135303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 11521135303 its reverse (30353112511), we get a palindrome (41874247814).

The spelling of 11521135303 in words is "eleven billion, five hundred twenty-one million, one hundred thirty-five thousand, three hundred three".