1100666772479 has 2 divisors, whose sum is σ = 1100666772480. Its totient is φ = 1100666772478.

The previous prime is 1100666772389. The next prime is 1100666772511. The reversal of 1100666772479 is 9742776660011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1100666772479 - 2²⁰ = 1100665723903 is a prime.

It is a super-2 number, since 2×1100666772479² (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 (1100666772379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550333386239 + 550333386240.

It is an arithmetic number, because the mean of its divisors is an integer number (550333386240).

Almost surely, 2^{1100666772479} is an apocalyptic number.

1100666772479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100666772479 is an equidigital number, since it uses as much as digits as its factorization.

1100666772479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5334336, while the sum is 56.

The spelling of 1100666772479 in words is "one trillion, one hundred billion, six hundred sixty-six million, seven hundred seventy-two thousand, four hundred seventy-nine".