13285378313465 has 16 divisors (see below), whose sum is σ = 16196879356416. Its totient is φ = 10459239134400.

The previous prime is 13285378313447. The next prime is 13285378313479. The reversal of 13285378313465 is 56431387358231.

It is not a de Polignac number, because 13285378313465 - 2⁶ = 13285378313401 is a prime.

It is a super-2 number, since 2×13285378313465² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34395377 + ... + 34779486.

It is an arithmetic number, because the mean of its divisors is an integer number (1012304959776).

Almost surely, 2^{13285378313465} is an apocalyptic number.

It is an amenable number.

13285378313465 is a deficient number, since it is larger than the sum of its proper divisors (2911501042951).

13285378313465 is an equidigital number, since it uses as much as digits as its factorization.

13285378313465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69175480.

The product of its digits is 43545600, while the sum is 59.

The spelling of 13285378313465 in words is "thirteen trillion, two hundred eighty-five billion, three hundred seventy-eight million, three hundred thirteen thousand, four hundred sixty-five".