11601143702666 has 16 divisors (see below), whose sum is σ = 19887738114240. Its totient is φ = 4971902930880.

The previous prime is 11601143702591. The next prime is 11601143702717. The reversal of 11601143702666 is 66620734110611.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3981890 + ... + 6249618.

It is an arithmetic number, because the mean of its divisors is an integer number (1242983632140).

Almost surely, 2^{11601143702666} is an apocalyptic number.

11601143702666 is a deficient number, since it is larger than the sum of its proper divisors (8286594411574).

11601143702666 is a wasteful number, since it uses less digits than its factorization.

11601143702666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633149.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 11601143702666 in words is "eleven trillion, six hundred one billion, one hundred forty-three million, seven hundred two thousand, six hundred sixty-six".