115605691556066 has 64 divisors (see below), whose sum is σ = 183622877061120. Its totient is φ = 54540544793280.

The previous prime is 115605691556027. The next prime is 115605691556077. The reversal of 115605691556066 is 660655196506511.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48176651 + ... + 50519313.

It is an arithmetic number, because the mean of its divisors is an integer number (2869107454080).

Almost surely, 2^{115605691556066} is an apocalyptic number.

115605691556066 is a deficient number, since it is larger than the sum of its proper divisors (68017185505054).

115605691556066 is a wasteful number, since it uses less digits than its factorization.

115605691556066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342951.

The product of its (nonzero) digits is 43740000, while the sum is 62.

The spelling of 115605691556066 in words is "one hundred fifteen trillion, six hundred five billion, six hundred ninety-one million, five hundred fifty-six thousand, sixty-six".