1116066550657 has 4 divisors (see below), whose sum is σ = 1116197445376. Its totient is φ = 1115935655940.

The previous prime is 1116066550597. The next prime is 1116066550663. The reversal of 1116066550657 is 7560556606111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116066550657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1116066550657.

It is not an unprimeable number, because it can be changed into a prime (1116066550957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65434569 + ... + 65451622.

It is an arithmetic number, because the mean of its divisors is an integer number (279049361344).

Almost surely, 2^{1116066550657} is an apocalyptic number.

It is an amenable number.

1116066550657 is a deficient number, since it is larger than the sum of its proper divisors (130894719).

1116066550657 is an equidigital number, since it uses as much as digits as its factorization.

1116066550657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130894718.

The product of its (nonzero) digits is 1134000, while the sum is 49.

The spelling of 1116066550657 in words is "one trillion, one hundred sixteen billion, sixty-six million, five hundred fifty thousand, six hundred fifty-seven".