11784955669 has 2 divisors, whose sum is σ = 11784955670. Its totient is φ = 11784955668.

The previous prime is 11784955667. The next prime is 11784955709. The reversal of 11784955669 is 96655948711.

11784955669 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., 10663040644 + 1121915025 = 103262^2 + 33495^2 .

It is a cyclic number.

It is not a de Polignac number, because 11784955669 - 2¹ = 11784955667 is a prime.

It is a super-2 number, since 2×11784955669² (a number of 21 digits) contains 22 as substring.

Together with 11784955667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11784955667) 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, 5892477834 + 5892477835.

It is an arithmetic number, because the mean of its divisors is an integer number (5892477835).

Almost surely, 2^11784955669 is an apocalyptic number.

It is an amenable number.

11784955669 is a deficient number, since it is larger than the sum of its proper divisors (1).

11784955669 is an equidigital number, since it uses as much as digits as its factorization.

11784955669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16329600, while the sum is 61.

The spelling of 11784955669 in words is "eleven billion, seven hundred eighty-four million, nine hundred fifty-five thousand, six hundred sixty-nine".