110661605113 has 2 divisors, whose sum is σ = 110661605114. Its totient is φ = 110661605112.

The previous prime is 110661605081. The next prime is 110661605123. The reversal of 110661605113 is 311506166011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64415962809 + 46245642304 = 253803^2 + 215048^2 .

It is a cyclic number.

It is not a de Polignac number, because 110661605113 - 2⁵ = 110661605081 is a prime.

It is not a weakly prime, because it can be changed into another prime (110661605123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55330802556 + 55330802557.

It is an arithmetic number, because the mean of its divisors is an integer number (55330802557).

Almost surely, 2^110661605113 is an apocalyptic number.

It is an amenable number.

110661605113 is a deficient number, since it is larger than the sum of its proper divisors (1).

110661605113 is an equidigital number, since it uses as much as digits as its factorization.

110661605113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 31.

The spelling of 110661605113 in words is "one hundred ten billion, six hundred sixty-one million, six hundred five thousand, one hundred thirteen".