1378305061165 has 8 divisors (see below), whose sum is σ = 1658732548320. Its totient is φ = 1099466398992.

The previous prime is 1378305061123. The next prime is 1378305061171. The reversal of 1378305061165 is 5611605038731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1378305061165 - 2⁹ = 1378305060653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397204335 + ... + 397207804.

It is an arithmetic number, because the mean of its divisors is an integer number (207341568540).

Almost surely, 2^{1378305061165} is an apocalyptic number.

It is an amenable number.

1378305061165 is a deficient number, since it is larger than the sum of its proper divisors (280427487155).

1378305061165 is an equidigital number, since it uses as much as digits as its factorization.

1378305061165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794412491.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 1378305061165 in words is "one trillion, three hundred seventy-eight billion, three hundred five million, sixty-one thousand, one hundred sixty-five".