11884563991688 has 16 divisors (see below), whose sum is σ = 22283853168780. Its totient is φ = 5942203146688.

The previous prime is 11884563991667. The next prime is 11884563991711. The reversal of 11884563991688 is 88619936548811.

It can be written as a sum of positive squares in 2 ways, for example, as 11479912792804 + 404651198884 = 3388202^2 + 636122^2 .

It is a super-2 number, since 2×11884563991688² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9213095 + ... + 10423542.

Almost surely, 2^{11884563991688} is an apocalyptic number.

It is an amenable number.

11884563991688 is a deficient number, since it is larger than the sum of its proper divisors (10399289177092).

11884563991688 is a wasteful number, since it uses less digits than its factorization.

11884563991688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19712296 (or 19712292 counting only the distinct ones).

The product of its digits is 716636160, while the sum is 77.

The spelling of 11884563991688 in words is "eleven trillion, eight hundred eighty-four billion, five hundred sixty-three million, nine hundred ninety-one thousand, six hundred eighty-eight".