11663784002 has 32 divisors (see below), whose sum is σ = 18964470000. Its totient is φ = 5348229120.

The previous prime is 11663783981. The next prime is 11663784029. The reversal of 11663784002 is 20048736611.

11663784002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 107999²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 12524521 + 11651259481 = 3539^2 + 107941^2 .

It is a super-2 number, since 2×11663784002² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 6266552 + ... + 6268412.

Almost surely, 2^11663784002 is an apocalyptic number.

11663784002 is a deficient number, since it is larger than the sum of its proper divisors (7300685998).

11663784002 is a wasteful number, since it uses less digits than its factorization.

11663784002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 11663784002 in words is "eleven billion, six hundred sixty-three million, seven hundred eighty-four thousand, two".