1191113150666 has 16 divisors (see below), whose sum is σ = 1810250173440. Its totient is φ = 587704462800.

The previous prime is 1191113150663. The next prime is 1191113150737. The reversal of 1191113150666 is 6660513111911.

It is not an unprimeable number, because it can be changed into a prime (1191113150663) by changing a digit.

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, 1711610 + ... + 2304741.

It is an arithmetic number, because the mean of its divisors is an integer number (113140635840).

Almost surely, 2^{1191113150666} is an apocalyptic number.

1191113150666 is a deficient number, since it is larger than the sum of its proper divisors (619137022774).

1191113150666 is a wasteful number, since it uses less digits than its factorization.

1191113150666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4018309.

The product of its (nonzero) digits is 29160, while the sum is 41.

The spelling of 1191113150666 in words is "one trillion, one hundred ninety-one billion, one hundred thirteen million, one hundred fifty thousand, six hundred sixty-six".