1000001131169 has 2 divisors, whose sum is σ = 1000001131170. Its totient is φ = 1000001131168.

The previous prime is 1000001131153. The next prime is 1000001131313. The reversal of 1000001131169 is 9611311000001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 936327169600 + 63673961569 = 967640^2 + 252337^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000001131169 - 2⁴ = 1000001131153 is a prime.

It is a super-2 number, since 2×1000001131169² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1000001131109) 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, 500000565584 + 500000565585.

It is an arithmetic number, because the mean of its divisors is an integer number (500000565585).

Almost surely, 2^{1000001131169} is an apocalyptic number.

It is an amenable number.

1000001131169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000001131169 is an equidigital number, since it uses as much as digits as its factorization.

1000001131169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 1000001131169 in words is "one trillion, one million, one hundred thirty-one thousand, one hundred sixty-nine".