11471851033 has 2 divisors, whose sum is σ = 11471851034. Its totient is φ = 11471851032.

The previous prime is 11471851021. The next prime is 11471851049. The reversal of 11471851033 is 33015817411.

It is a happy number.

11471851033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11417563609 + 54287424 = 106853^2 + 7368^2 .

It is a cyclic number.

It is not a de Polignac number, because 11471851033 - 2⁹ = 11471850521 is a prime.

It is a super-2 number, since 2×11471851033² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11471851033.

It is not a weakly prime, because it can be changed into another prime (11471851733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5735925516 + 5735925517.

It is an arithmetic number, because the mean of its divisors is an integer number (5735925517).

Almost surely, 2^11471851033 is an apocalyptic number.

It is an amenable number.

11471851033 is a deficient number, since it is larger than the sum of its proper divisors (1).

11471851033 is an equidigital number, since it uses as much as digits as its factorization.

11471851033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 11471851033 in words is "eleven billion, four hundred seventy-one million, eight hundred fifty-one thousand, thirty-three".