11555616660122 has 16 divisors (see below), whose sum is σ = 17375751335520. Its totient is φ = 5763704352432.

The previous prime is 11555616660073. The next prime is 11555616660131. The reversal of 11555616660122 is 22106661655511.

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, 3624404 + ... + 6020592.

It is an arithmetic number, because the mean of its divisors is an integer number (1085984458470).

Almost surely, 2^{11555616660122} is an apocalyptic number.

11555616660122 is a deficient number, since it is larger than the sum of its proper divisors (5820134675398).

11555616660122 is a wasteful number, since it uses less digits than its factorization.

11555616660122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402077.

The product of its (nonzero) digits is 648000, while the sum is 47.

The spelling of 11555616660122 in words is "eleven trillion, five hundred fifty-five billion, six hundred sixteen million, six hundred sixty thousand, one hundred twenty-two".