11541353321 has 2 divisors, whose sum is σ = 11541353322. Its totient is φ = 11541353320.

The previous prime is 11541353311. The next prime is 11541353339. The reversal of 11541353321 is 12335314511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9628515625 + 1912837696 = 98125^2 + 43736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11541353321 is a prime.

It is not a weakly prime, because it can be changed into another prime (11541353311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5770676660 + 5770676661.

It is an arithmetic number, because the mean of its divisors is an integer number (5770676661).

Almost surely, 2^11541353321 is an apocalyptic number.

It is an amenable number.

11541353321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11541353321 is an equidigital number, since it uses as much as digits as its factorization.

11541353321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 29.

Adding to 11541353321 its reverse (12335314511), we get a palindrome (23876667832).

The spelling of 11541353321 in words is "eleven billion, five hundred forty-one million, three hundred fifty-three thousand, three hundred twenty-one".