11066621550552 has 24 divisors (see below), whose sum is σ = 29972100032940. Its totient is φ = 3688873850160.

The previous prime is 11066621550469. The next prime is 11066621550553. The reversal of 11066621550552 is 25505512666011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×11066621550552² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11066621550498 and 11066621550507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11066621550553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76851538474 + ... + 76851538617.

Almost surely, 2^{11066621550552} is an apocalyptic number.

11066621550552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11066621550552 is an abundant number, since it is smaller than the sum of its proper divisors (18905478482388).

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

11066621550552 is a wasteful number, since it uses less digits than its factorization.

11066621550552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153703077103 (or 153703077096 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 45.

The spelling of 11066621550552 in words is "eleven trillion, sixty-six billion, six hundred twenty-one million, five hundred fifty thousand, five hundred fifty-two".