11365478833 has 2 divisors, whose sum is σ = 11365478834. Its totient is φ = 11365478832.

The previous prime is 11365478777. The next prime is 11365478897. The reversal of 11365478833 is 33887456311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10814544049 + 550934784 = 103993^2 + 23472^2 .

It is a cyclic number.

It is not a de Polignac number, because 11365478833 - 2⁹ = 11365478321 is a prime.

It is not a weakly prime, because it can be changed into another prime (11365478933) 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, 5682739416 + 5682739417.

It is an arithmetic number, because the mean of its divisors is an integer number (5682739417).

Almost surely, 2^11365478833 is an apocalyptic number.

It is an amenable number.

11365478833 is a deficient number, since it is larger than the sum of its proper divisors (1).

11365478833 is an equidigital number, since it uses as much as digits as its factorization.

11365478833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 49.

It can be divided in two parts, 11365478 and 833, that added together give a palindrome (11366311).

The spelling of 11365478833 in words is "eleven billion, three hundred sixty-five million, four hundred seventy-eight thousand, eight hundred thirty-three".