2011066550061 has 8 divisors (see below), whose sum is σ = 2681508000000. Its totient is φ = 1340668066752.

The previous prime is 2011066550041. The next prime is 2011066550071. The reversal of 2011066550061 is 1600556601102.

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

It is not a de Polignac number, because 2011066550061 - 2⁵ = 2011066550029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011066550041) 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, 10632285 + ... + 10819778.

It is an arithmetic number, because the mean of its divisors is an integer number (335188500000).

Almost surely, 2^{2011066550061} is an apocalyptic number.

It is an amenable number.

2011066550061 is a deficient number, since it is larger than the sum of its proper divisors (670441449939).

2011066550061 is a wasteful number, since it uses less digits than its factorization.

2011066550061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21483315.

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 2011066550061 in words is "two trillion, eleven billion, sixty-six million, five hundred fifty thousand, sixty-one".