5011611066 has 96 divisors (see below), whose sum is σ = 13561382016. Its totient is φ = 1299456000.

The previous prime is 5011611053. The next prime is 5011611071. The reversal of 5011611066 is 6601161105.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 885606 + ... + 891246.

It is an arithmetic number, because the mean of its divisors is an integer number (141264396).

Almost surely, 2^5011611066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5011611066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6780691008).

5011611066 is an abundant number, since it is smaller than the sum of its proper divisors (8549770950).

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

5011611066 is a wasteful number, since it uses less digits than its factorization.

5011611066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6308 (or 6305 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 5011611066 is about 70792.7331440170. The cubic root of 5011611066 is about 1711.2985663078.

The spelling of 5011611066 in words is "five billion, eleven million, six hundred eleven thousand, sixty-six".