111661106107 has 2 divisors, whose sum is σ = 111661106108. Its totient is φ = 111661106106.

The previous prime is 111661106083. The next prime is 111661106131. The reversal of 111661106107 is 701601166111.

It is a balanced prime because it is at equal distance from previous prime (111661106083) and next prime (111661106131).

It is a cyclic number.

It is not a de Polignac number, because 111661106107 - 2¹¹ = 111661104059 is a prime.

It is not a weakly prime, because it can be changed into another prime (111661106147) by changing a digit.

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 as a sum of consecutive naturals, namely, 55830553053 + 55830553054.

It is an arithmetic number, because the mean of its divisors is an integer number (55830553054).

Almost surely, 2^111661106107 is an apocalyptic number.

111661106107 is a deficient number, since it is larger than the sum of its proper divisors (1).

111661106107 is an equidigital number, since it uses as much as digits as its factorization.

111661106107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 31.

The spelling of 111661106107 in words is "one hundred eleven billion, six hundred sixty-one million, one hundred six thousand, one hundred seven".