1100204020049 has 2 divisors, whose sum is σ = 1100204020050. Its totient is φ = 1100204020048.

The previous prime is 1100204020001. The next prime is 1100204020051. The reversal of 1100204020049 is 9400204020011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1073851367824 + 26352652225 = 1036268^2 + 162335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100204020049 is a prime.

Together with 1100204020051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1100204026049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550102010024 + 550102010025.

It is an arithmetic number, because the mean of its divisors is an integer number (550102010025).

Almost surely, 2^{1100204020049} is an apocalyptic number.

It is an amenable number.

1100204020049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100204020049 is an equidigital number, since it uses as much as digits as its factorization.

1100204020049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 1100204020049 in words is "one trillion, one hundred billion, two hundred four million, twenty thousand, forty-nine".