1114166550565 has 4 divisors (see below), whose sum is σ = 1336999860684. Its totient is φ = 891333240448.

The previous prime is 1114166550533. The next prime is 1114166550619. The reversal of 1114166550565 is 5650556614111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 138073925889 + 976092624676 = 371583^2 + 987974^2 .

It is a cyclic number.

It is not a de Polignac number, because 1114166550565 - 2⁵ = 1114166550533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111416655052 + ... + 111416655061.

It is an arithmetic number, because the mean of its divisors is an integer number (334249965171).

Almost surely, 2^{1114166550565} is an apocalyptic number.

It is an amenable number.

1114166550565 is a deficient number, since it is larger than the sum of its proper divisors (222833310119).

1114166550565 is an equidigital number, since it uses as much as digits as its factorization.

1114166550565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222833310118.

The product of its (nonzero) digits is 540000, while the sum is 46.

The spelling of 1114166550565 in words is "one trillion, one hundred fourteen billion, one hundred sixty-six million, five hundred fifty thousand, five hundred sixty-five".