105111655666 has 8 divisors (see below), whose sum is σ = 157917354624. Its totient is φ = 52472537460.

The previous prime is 105111655661. The next prime is 105111655669. The reversal of 105111655666 is 666556111501.

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

It is a super-2 number, since 2×105111655666² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105111655661) 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 3 ways as a sum of consecutive naturals, for example, 41643610 + ... + 41646133.

It is an arithmetic number, because the mean of its divisors is an integer number (19739669328).

Almost surely, 2^105111655666 is an apocalyptic number.

105111655666 is a deficient number, since it is larger than the sum of its proper divisors (52805698958).

105111655666 is an equidigital number, since it uses as much as digits as its factorization.

105111655666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83290376.

The product of its (nonzero) digits is 162000, while the sum is 43.

The spelling of 105111655666 in words is "one hundred five billion, one hundred eleven million, six hundred fifty-five thousand, six hundred sixty-six".