11806884433 has 2 divisors, whose sum is σ = 11806884434. Its totient is φ = 11806884432.

The previous prime is 11806884413. The next prime is 11806884473. The reversal of 11806884433 is 33448860811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9418314304 + 2388570129 = 97048^2 + 48873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11806884433 is a prime.

It is not a weakly prime, because it can be changed into another prime (11806884413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5903442216 + 5903442217.

It is an arithmetic number, because the mean of its divisors is an integer number (5903442217).

Almost surely, 2^11806884433 is an apocalyptic number.

It is an amenable number.

11806884433 is a deficient number, since it is larger than the sum of its proper divisors (1).

11806884433 is an equidigital number, since it uses as much as digits as its factorization.

11806884433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 11806884433 in words is "eleven billion, eight hundred six million, eight hundred eighty-four thousand, four hundred thirty-three".