6650661051105 has 32 divisors (see below), whose sum is σ = 11103873935616. Its totient is φ = 3392751631104.

The previous prime is 6650661051101. The next prime is 6650661051107. The reversal of 6650661051105 is 5011501660566.

It is not a de Polignac number, because 6650661051105 - 2² = 6650661051101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6650661051101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41462439 + ... + 41622531.

It is an arithmetic number, because the mean of its divisors is an integer number (346996060488).

Almost surely, 2^{6650661051105} is an apocalyptic number.

It is an amenable number.

6650661051105 is a deficient number, since it is larger than the sum of its proper divisors (4453212884511).

6650661051105 is a wasteful number, since it uses less digits than its factorization.

6650661051105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280537.

The product of its (nonzero) digits is 162000, while the sum is 42.

It can be divided in two parts, 665066 and 1051105, that added together give a palindrome (1716171).

The spelling of 6650661051105 in words is "six trillion, six hundred fifty billion, six hundred sixty-one million, fifty-one thousand, one hundred five".