13523111011 has 2 divisors, whose sum is σ = 13523111012. Its totient is φ = 13523111010.

The previous prime is 13523111009. The next prime is 13523111033. The reversal of 13523111011 is 11011132531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13523111011 - 2¹ = 13523111009 is a prime.

It is a super-3 number, since 3×13523111011³ (a number of 31 digits) contains 333 as substring.

Together with 13523111009, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13523111011.

It is not a weakly prime, because it can be changed into another prime (13523111311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6761555505 + 6761555506.

It is an arithmetic number, because the mean of its divisors is an integer number (6761555506).

Almost surely, 2^13523111011 is an apocalyptic number.

13523111011 is a deficient number, since it is larger than the sum of its proper divisors (1).

13523111011 is an equidigital number, since it uses as much as digits as its factorization.

13523111011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 19.

Adding to 13523111011 its reverse (11011132531), we get a palindrome (24534243542).

The spelling of 13523111011 in words is "thirteen billion, five hundred twenty-three million, one hundred eleven thousand, eleven".