13511011489 has 2 divisors, whose sum is σ = 13511011490. Its totient is φ = 13511011488.

The previous prime is 13511011487. The next prime is 13511011529. The reversal of 13511011489 is 98411011531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12903142464 + 607869025 = 113592^2 + 24655^2 .

It is a cyclic number.

It is not a de Polignac number, because 13511011489 - 2¹ = 13511011487 is a prime.

Together with 13511011487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13511011487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6755505744 + 6755505745.

It is an arithmetic number, because the mean of its divisors is an integer number (6755505745).

Almost surely, 2^13511011489 is an apocalyptic number.

It is an amenable number.

13511011489 is a deficient number, since it is larger than the sum of its proper divisors (1).

13511011489 is an equidigital number, since it uses as much as digits as its factorization.

13511011489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 34.

The spelling of 13511011489 in words is "thirteen billion, five hundred eleven million, eleven thousand, four hundred eighty-nine".