11111010100009 has 2 divisors, whose sum is σ = 11111010100010. Its totient is φ = 11111010100008.

The previous prime is 11111010099991. The next prime is 11111010100039. The reversal of 11111010100009 is 90000101011111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5588496000000 + 5522514100009 = 2364000^2 + 2350003^2 .

It is a cyclic number.

It is not a de Polignac number, because 11111010100009 - 2⁴³ = 2314917077801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11111010099965 and 11111010100001.

It is not a weakly prime, because it can be changed into another prime (11111010100039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555505050004 + 5555505050005.

It is an arithmetic number, because the mean of its divisors is an integer number (5555505050005).

Almost surely, 2^{11111010100009} is an apocalyptic number.

It is an amenable number.

11111010100009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111010100009 is an equidigital number, since it uses as much as digits as its factorization.

11111010100009 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 11111010100009 in words is "eleven trillion, one hundred eleven billion, ten million, one hundred thousand, nine".