11522543239 has 2 divisors, whose sum is σ = 11522543240. Its totient is φ = 11522543238.

The previous prime is 11522543159. The next prime is 11522543273. The reversal of 11522543239 is 93234522511.

11522543239 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 a cyclic number.

It is not a de Polignac number, because 11522543239 - 2²¹ = 11520446087 is a prime.

It is a super-2 number, since 2×11522543239² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11522543198 and 11522543207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11522543299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5761271619 + 5761271620.

It is an arithmetic number, because the mean of its divisors is an integer number (5761271620).

Almost surely, 2^11522543239 is an apocalyptic number.

11522543239 is a deficient number, since it is larger than the sum of its proper divisors (1).

11522543239 is an equidigital number, since it uses as much as digits as its factorization.

11522543239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 37.

The spelling of 11522543239 in words is "eleven billion, five hundred twenty-two million, five hundred forty-three thousand, two hundred thirty-nine".