13505055539 has 2 divisors, whose sum is σ = 13505055540. Its totient is φ = 13505055538.

The previous prime is 13505055511. The next prime is 13505055601. The reversal of 13505055539 is 93555050531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13505055539 - 2⁸ = 13505055283 is a prime.

It is a super-2 number, since 2×13505055539² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13505055496 and 13505055505.

It is not a weakly prime, because it can be changed into another prime (13505075539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6752527769 + 6752527770.

It is an arithmetic number, because the mean of its divisors is an integer number (6752527770).

Almost surely, 2^13505055539 is an apocalyptic number.

13505055539 is a deficient number, since it is larger than the sum of its proper divisors (1).

13505055539 is an equidigital number, since it uses as much as digits as its factorization.

13505055539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 253125, while the sum is 41.

The spelling of 13505055539 in words is "thirteen billion, five hundred five million, fifty-five thousand, five hundred thirty-nine".