1166116500053 has 2 divisors, whose sum is σ = 1166116500054. Its totient is φ = 1166116500052.

The previous prime is 1166116500049. The next prime is 1166116500079. The reversal of 1166116500053 is 3500056116611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 785843244484 + 380273255569 = 886478^2 + 616663^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166116500053 - 2² = 1166116500049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1166116499986 and 1166116500022.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166116506053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583058250026 + 583058250027.

It is an arithmetic number, because the mean of its divisors is an integer number (583058250027).

Almost surely, 2^{1166116500053} is an apocalyptic number.

It is an amenable number.

1166116500053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166116500053 is an equidigital number, since it uses as much as digits as its factorization.

1166116500053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 35.

The spelling of 1166116500053 in words is "one trillion, one hundred sixty-six billion, one hundred sixteen million, five hundred thousand, fifty-three".