3005661105 has 24 divisors (see below), whose sum is σ = 5283195840. Its totient is φ = 1580439840.

The previous prime is 3005661101. The next prime is 3005661119. The reversal of 3005661105 is 5011665003.

It is a happy number.

It is not a de Polignac number, because 3005661105 - 2² = 3005661101 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3005661101) 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 23 ways as a sum of consecutive naturals, for example, 467175 + ... + 473564.

It is an arithmetic number, because the mean of its divisors is an integer number (220133160).

Almost surely, 2^3005661105 is an apocalyptic number.

It is an amenable number.

3005661105 is a deficient number, since it is larger than the sum of its proper divisors (2277534735).

3005661105 is a wasteful number, since it uses less digits than its factorization.

3005661105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940821 (or 940818 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 3005661105 is about 54823.9099754842. The cubic root of 3005661105 is about 1443.1561920766.

The spelling of 3005661105 in words is "three billion, five million, six hundred sixty-one thousand, one hundred five".