1066942551101 has 8 divisors (see below), whose sum is σ = 1219392956160. Its totient is φ = 914499656208.

The previous prime is 1066942551013. The next prime is 1066942551161. The reversal of 1066942551101 is 1011552496601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1066942551101 - 2¹⁴ = 1066942534717 is a prime.

It is a super-2 number, since 2×1066942551101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066942551161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1569746 + ... + 2144291.

It is an arithmetic number, because the mean of its divisors is an integer number (152424119520).

Almost surely, 2^{1066942551101} is an apocalyptic number.

It is an amenable number.

1066942551101 is a deficient number, since it is larger than the sum of its proper divisors (152450405059).

1066942551101 is an equidigital number, since it uses as much as digits as its factorization.

1066942551101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3755083.

The product of its (nonzero) digits is 64800, while the sum is 41.

The spelling of 1066942551101 in words is "one trillion, sixty-six billion, nine hundred forty-two million, five hundred fifty-one thousand, one hundred one".