1150605165566 has 8 divisors (see below), whose sum is σ = 1827431733600. Its totient is φ = 541461254368.

The previous prime is 1150605165551. The next prime is 1150605165599. The reversal of 1150605165566 is 6655615060511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1150605165566.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16920664166 + ... + 16920664233.

It is an arithmetic number, because the mean of its divisors is an integer number (228428966700).

Almost surely, 2^{1150605165566} is an apocalyptic number.

1150605165566 is a deficient number, since it is larger than the sum of its proper divisors (676826568034).

1150605165566 is a wasteful number, since it uses less digits than its factorization.

1150605165566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33841328418.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 1150605165566 in words is "one trillion, one hundred fifty billion, six hundred five million, one hundred sixty-five thousand, five hundred sixty-six".