1147526440169 has 2 divisors, whose sum is σ = 1147526440170. Its totient is φ = 1147526440168.

The previous prime is 1147526440141. The next prime is 1147526440213. The reversal of 1147526440169 is 9610446257411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1146195066025 + 1331374144 = 1070605^2 + 36488^2 .

It is a cyclic number.

It is not a de Polignac number, because 1147526440169 - 2¹² = 1147526436073 is a prime.

It is a super-2 number, since 2×1147526440169² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1147526440069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573763220084 + 573763220085.

It is an arithmetic number, because the mean of its divisors is an integer number (573763220085).

Almost surely, 2^{1147526440169} is an apocalyptic number.

It is an amenable number.

1147526440169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147526440169 is an equidigital number, since it uses as much as digits as its factorization.

1147526440169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 1147526440169 in words is "one trillion, one hundred forty-seven billion, five hundred twenty-six million, four hundred forty thousand, one hundred sixty-nine".