11055656666 has 16 divisors (see below), whose sum is σ = 17137951488. Its totient is φ = 5343412800.

The previous prime is 11055656663. The next prime is 11055656671. The reversal of 11055656666 is 66665655011.

It is a self number, because there is not a number n which added to its sum of digits gives 11055656666.

It is not an unprimeable number, because it can be changed into a prime (11055656663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46580 + ... + 155823.

It is an arithmetic number, because the mean of its divisors is an integer number (1071121968).

Almost surely, 2^11055656666 is an apocalyptic number.

11055656666 is a deficient number, since it is larger than the sum of its proper divisors (6082294822).

11055656666 is a wasteful number, since it uses less digits than its factorization.

11055656666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203317.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 11055656666 in words is "eleven billion, fifty-five million, six hundred fifty-six thousand, six hundred sixty-six".