1100195917697 has 2 divisors, whose sum is σ = 1100195917698. Its totient is φ = 1100195917696.

The previous prime is 1100195917687. The next prime is 1100195917727. The reversal of 1100195917697 is 7967195910011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 888176189761 + 212019727936 = 942431^2 + 460456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100195917697 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100195917607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550097958848 + 550097958849.

It is an arithmetic number, because the mean of its divisors is an integer number (550097958849).

Almost surely, 2^{1100195917697} is an apocalyptic number.

It is an amenable number.

1100195917697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100195917697 is an equidigital number, since it uses as much as digits as its factorization.

1100195917697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1071630, while the sum is 56.

The spelling of 1100195917697 in words is "one trillion, one hundred billion, one hundred ninety-five million, nine hundred seventeen thousand, six hundred ninety-seven".