1066101511056 has 20 divisors (see below), whose sum is σ = 2754095570352. Its totient is φ = 355367170336.

The previous prime is 1066101511051. The next prime is 1066101511109. The reversal of 1066101511056 is 6501151016601.

It is a super-2 number, since 2×1066101511056² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066101511051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11105224026 + ... + 11105224121.

Almost surely, 2^{1066101511056} is an apocalyptic number.

1066101511056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1066101511056 is an abundant number, since it is smaller than the sum of its proper divisors (1687994059296).

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

1066101511056 is a wasteful number, since it uses less digits than its factorization.

1066101511056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22210448158 (or 22210448152 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 33.

Adding to 1066101511056 its reverse (6501151016601), we get a palindrome (7567252527657).

The spelling of 1066101511056 in words is "one trillion, sixty-six billion, one hundred one million, five hundred eleven thousand, fifty-six".