110688840649 has 2 divisors, whose sum is σ = 110688840650. Its totient is φ = 110688840648.

The previous prime is 110688840631. The next prime is 110688840667. The reversal of 110688840649 is 946048886011.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (110688840631) and next prime (110688840667).

It can be written as a sum of positive squares in only one way, i.e., 59874664249 + 50814176400 = 244693^2 + 225420^2 .

It is a cyclic number.

It is not a de Polignac number, because 110688840649 - 2²⁹ = 110151969737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110688840649.

It is not a weakly prime, because it can be changed into another prime (110688841649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55344420324 + 55344420325.

It is an arithmetic number, because the mean of its divisors is an integer number (55344420325).

Almost surely, 2^110688840649 is an apocalyptic number.

It is an amenable number.

110688840649 is a deficient number, since it is larger than the sum of its proper divisors (1).

110688840649 is an equidigital number, since it uses as much as digits as its factorization.

110688840649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2654208, while the sum is 55.

The spelling of 110688840649 in words is "one hundred ten billion, six hundred eighty-eight million, eight hundred forty thousand, six hundred forty-nine".