1109664850277 has 2 divisors, whose sum is σ = 1109664850278. Its totient is φ = 1109664850276.

The previous prime is 1109664850253. The next prime is 1109664850361. The reversal of 1109664850277 is 7720584669011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 847603787716 + 262061062561 = 920654^2 + 511919^2 .

It is a cyclic number.

It is not a de Polignac number, because 1109664850277 - 2¹⁰ = 1109664849253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1109664850247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554832425138 + 554832425139.

It is an arithmetic number, because the mean of its divisors is an integer number (554832425139).

Almost surely, 2^{1109664850277} is an apocalyptic number.

It is an amenable number.

1109664850277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109664850277 is an equidigital number, since it uses as much as digits as its factorization.

1109664850277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 1109664850277 in words is "one trillion, one hundred nine billion, six hundred sixty-four million, eight hundred fifty thousand, two hundred seventy-seven".