110656637489 has 2 divisors, whose sum is σ = 110656637490. Its totient is φ = 110656637488.

The previous prime is 110656637407. The next prime is 110656637491. The reversal of 110656637489 is 984736656011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64617640000 + 46038997489 = 254200^2 + 214567^2 .

It is a cyclic number.

It is not a de Polignac number, because 110656637489 - 2²⁴ = 110639860273 is a prime.

Together with 110656637491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (110656637389) 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 as a sum of consecutive naturals, namely, 55328318744 + 55328318745.

It is an arithmetic number, because the mean of its divisors is an integer number (55328318745).

Almost surely, 2^110656637489 is an apocalyptic number.

It is an amenable number.

110656637489 is a deficient number, since it is larger than the sum of its proper divisors (1).

110656637489 is an equidigital number, since it uses as much as digits as its factorization.

110656637489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 110656637489 in words is "one hundred ten billion, six hundred fifty-six million, six hundred thirty-seven thousand, four hundred eighty-nine".