1111110001009 has 2 divisors, whose sum is σ = 1111110001010. Its totient is φ = 1111110001008.

The previous prime is 1111110000997. The next prime is 1111110001051. The reversal of 1111110001009 is 9001000111111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 879722064225 + 231387936784 = 937935^2 + 481028^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111110001009 - 2⁷ = 1111110000881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111110000983 and 1111110001001.

It is not a weakly prime, because it can be changed into another prime (1111110001709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555555000504 + 555555000505.

It is an arithmetic number, because the mean of its divisors is an integer number (555555000505).

Almost surely, 2^{1111110001009} is an apocalyptic number.

It is an amenable number.

1111110001009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111110001009 is an equidigital number, since it uses as much as digits as its factorization.

1111110001009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 16.

The spelling of 1111110001009 in words is "one trillion, one hundred eleven billion, one hundred ten million, one thousand, nine".