1109027378287 has 2 divisors, whose sum is σ = 1109027378288. Its totient is φ = 1109027378286.

The previous prime is 1109027378257. The next prime is 1109027378311. The reversal of 1109027378287 is 7828737209011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1109027378287 - 2⁷ = 1109027378159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1109027378237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554513689143 + 554513689144.

It is an arithmetic number, because the mean of its divisors is an integer number (554513689144).

Almost surely, 2^{1109027378287} is an apocalyptic number.

1109027378287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109027378287 is an equidigital number, since it uses as much as digits as its factorization.

1109027378287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2370816, while the sum is 55.

The spelling of 1109027378287 in words is "one trillion, one hundred nine billion, twenty-seven million, three hundred seventy-eight thousand, two hundred eighty-seven".