13354111404509 has 2 divisors, whose sum is σ = 13354111404510. Its totient is φ = 13354111404508.

The previous prime is 13354111404479. The next prime is 13354111404593. The reversal of 13354111404509 is 90540411145331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11038860060484 + 2315251344025 = 3322478^2 + 1521595^2 .

It is a cyclic number.

It is not a de Polignac number, because 13354111404509 - 2¹⁶ = 13354111338973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13354111464509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6677055702254 + 6677055702255.

It is an arithmetic number, because the mean of its divisors is an integer number (6677055702255).

Almost surely, 2^{13354111404509} is an apocalyptic number.

It is an amenable number.

13354111404509 is a deficient number, since it is larger than the sum of its proper divisors (1).

13354111404509 is an equidigital number, since it uses as much as digits as its factorization.

13354111404509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 13354111404509 in words is "thirteen trillion, three hundred fifty-four billion, one hundred eleven million, four hundred four thousand, five hundred nine".