1365273054818 has 16 divisors (see below), whose sum is σ = 2064174572544. Its totient is φ = 677215591920.

The previous prime is 1365273054809. The next prime is 1365273054839. The reversal of 1365273054818 is 8184503725631.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1365273054818.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3744248 + ... + 4092668.

It is an arithmetic number, because the mean of its divisors is an integer number (129010910784).

Almost surely, 2^{1365273054818} is an apocalyptic number.

1365273054818 is a deficient number, since it is larger than the sum of its proper divisors (698901517726).

1365273054818 is a wasteful number, since it uses less digits than its factorization.

1365273054818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363977.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 1365273054818 in words is "one trillion, three hundred sixty-five billion, two hundred seventy-three million, fifty-four thousand, eight hundred eighteen".