1155650215066 has 16 divisors (see below), whose sum is σ = 1738561741056. Its totient is φ = 576129809376.

The previous prime is 1155650215039. The next prime is 1155650215081. The reversal of 1155650215066 is 6605120565511.

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 7 ways as a sum of consecutive naturals, for example, 19712950 + ... + 19771486.

It is an arithmetic number, because the mean of its divisors is an integer number (108660108816).

Almost surely, 2^{1155650215066} is an apocalyptic number.

1155650215066 is a deficient number, since it is larger than the sum of its proper divisors (582911525990).

1155650215066 is a wasteful number, since it uses less digits than its factorization.

1155650215066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87333.

The product of its (nonzero) digits is 270000, while the sum is 43.

The spelling of 1155650215066 in words is "one trillion, one hundred fifty-five billion, six hundred fifty million, two hundred fifteen thousand, sixty-six".