1100665628287 has 2 divisors, whose sum is σ = 1100665628288. Its totient is φ = 1100665628286.

The previous prime is 1100665628273. The next prime is 1100665628323. The reversal of 1100665628287 is 7828265660011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100665628287 is a prime.

It is a super-2 number, since 2×1100665628287² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100665628987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550332814143 + 550332814144.

It is an arithmetic number, because the mean of its divisors is an integer number (550332814144).

Almost surely, 2^{1100665628287} is an apocalyptic number.

1100665628287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100665628287 is an equidigital number, since it uses as much as digits as its factorization.

1100665628287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 1100665628287 in words is "one trillion, one hundred billion, six hundred sixty-five million, six hundred twenty-eight thousand, two hundred eighty-seven".