11066552066550 has 96 divisors (see below), whose sum is σ = 27477782095104. Its totient is φ = 2947562352000.

The previous prime is 11066552066543. The next prime is 11066552066567. The reversal of 11066552066550 is 5566025566011.

It is a super-3 number, since 3×11066552066550³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11066552066550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 994204485 + ... + 994215615.

It is an arithmetic number, because the mean of its divisors is an integer number (286226896824).

Almost surely, 2^{11066552066550} is an apocalyptic number.

11066552066550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11066552066550 is an abundant number, since it is smaller than the sum of its proper divisors (16411230028554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11066552066550 is a wasteful number, since it uses less digits than its factorization.

11066552066550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18454 (or 18449 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 48.

The spelling of 11066552066550 in words is "eleven trillion, sixty-six billion, five hundred fifty-two million, sixty-six thousand, five hundred fifty".