1100365020457 has 2 divisors, whose sum is σ = 1100365020458. Its totient is φ = 1100365020456.

The previous prime is 1100365020437. The next prime is 1100365020481. The reversal of 1100365020457 is 7540205630011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 651597670656 + 448767349801 = 807216^2 + 669901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100365020457 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100365020437) 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, 550182510228 + 550182510229.

It is an arithmetic number, because the mean of its divisors is an integer number (550182510229).

Almost surely, 2^{1100365020457} is an apocalyptic number.

It is an amenable number.

1100365020457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100365020457 is an equidigital number, since it uses as much as digits as its factorization.

1100365020457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 1100365020457 in words is "one trillion, one hundred billion, three hundred sixty-five million, twenty thousand, four hundred fifty-seven".