11061661166061 has 16 divisors (see below), whose sum is σ = 16094036536128. Its totient is φ = 6702225584000.

The previous prime is 11061661166053. The next prime is 11061661166071. The reversal of 11061661166061 is 16066116616011.

It is a cyclic number.

It is not a de Polignac number, because 11061661166061 - 2³ = 11061661166053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11061661166071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45163176 + ... + 45407441.

It is an arithmetic number, because the mean of its divisors is an integer number (1005877283508).

Almost surely, 2^{11061661166061} is an apocalyptic number.

11061661166061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11061661166061 is a deficient number, since it is larger than the sum of its proper divisors (5032375370067).

11061661166061 is a wasteful number, since it uses less digits than its factorization.

11061661166061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90574332.

The product of its (nonzero) digits is 46656, while the sum is 42.

The spelling of 11061661166061 in words is "eleven trillion, sixty-one billion, six hundred sixty-one million, one hundred sixty-six thousand, sixty-one".