1011110000009 has 2 divisors, whose sum is σ = 1011110000010. Its totient is φ = 1011110000008.

The previous prime is 1011109999973. The next prime is 1011110000053. The reversal of 1011110000009 is 9000000111101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 681702876409 + 329407123600 = 825653^2 + 573940^2 .

It is an emirp because it is prime and its reverse (9000000111101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011110000009 - 2³⁶ = 942390523273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011109999948 and 1011110000002.

It is not a weakly prime, because it can be changed into another prime (1011110000309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505555000004 + 505555000005.

It is an arithmetic number, because the mean of its divisors is an integer number (505555000005).

Almost surely, 2^{1011110000009} is an apocalyptic number.

It is an amenable number.

1011110000009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011110000009 is an equidigital number, since it uses as much as digits as its factorization.

1011110000009 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 14.

The spelling of 1011110000009 in words is "one trillion, eleven billion, one hundred ten million, nine", and thus it is an aban number.