11830780066 has 32 divisors (see below), whose sum is σ = 21360983040. Its totient is φ = 4804544976.

The previous prime is 11830780033. The next prime is 11830780079. The reversal of 11830780066 is 66008703811.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137236 + ... + 206143.

It is an arithmetic number, because the mean of its divisors is an integer number (667530720).

Almost surely, 2^11830780066 is an apocalyptic number.

11830780066 is a deficient number, since it is larger than the sum of its proper divisors (9530202974).

11830780066 is a wasteful number, since it uses less digits than its factorization.

11830780066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343518.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 11830780066 in words is "eleven billion, eight hundred thirty million, seven hundred eighty thousand, sixty-six".