11543351 has 2 divisors, whose sum is σ = 11543352. Its totient is φ = 11543350.

The previous prime is 11543339. The next prime is 11543353. The reversal of 11543351 is 15334511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11543351 - 2¹⁰ = 11542327 is a prime.

It is a Sophie Germain prime.

Together with 11543353, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11543353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771675 + 5771676.

It is an arithmetic number, because the mean of its divisors is an integer number (5771676).

Almost surely, 2^11543351 is an apocalyptic number.

11543351 is a deficient number, since it is larger than the sum of its proper divisors (1).

11543351 is an equidigital number, since it uses as much as digits as its factorization.

11543351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900, while the sum is 23.

The square root of 11543351 is about 3397.5507354564. The cubic root of 11543351 is about 226.0011420831.

Adding to 11543351 its reverse (15334511), we get a palindrome (26877862).

The spelling of 11543351 in words is "eleven million, five hundred forty-three thousand, three hundred fifty-one".