11331130947666 has 32 divisors (see below), whose sum is σ = 22790968670400. Its totient is φ = 3755626015680.

The previous prime is 11331130947649. The next prime is 11331130947667. The reversal of 11331130947666 is 66674903113311.

It is not an unprimeable number, because it can be changed into a prime (11331130947667) 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 15 ways as a sum of consecutive naturals, for example, 2832961 + ... + 5539668.

It is an arithmetic number, because the mean of its divisors is an integer number (712217770950).

Almost surely, 2^{11331130947666} is an apocalyptic number.

11331130947666 is an abundant number, since it is smaller than the sum of its proper divisors (11459837722734).

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

11331130947666 is a wasteful number, since it uses less digits than its factorization.

11331130947666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8373914.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The spelling of 11331130947666 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty million, nine hundred forty-seven thousand, six hundred sixty-six".