110621760865345 has 16 divisors (see below), whose sum is σ = 137739349410768. Its totient is φ = 85217900359680.

The previous prime is 110621760865333. The next prime is 110621760865349. The reversal of 110621760865345 is 543568067126011.

It is a Cunningham number, because it is equal to 10517688²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 10501384661056 + 100120376204289 = 3240584^2 + 10006017^2 .

It is a de Polignac number, because none of the positive numbers 2^k-110621760865345 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110621760865349) 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 15 ways as a sum of consecutive naturals, for example, 3082226716 + ... + 3082262605.

It is an arithmetic number, because the mean of its divisors is an integer number (8608709338173).

Almost surely, 2^{110621760865345} is an apocalyptic number.

It is an amenable number.

110621760865345 is a deficient number, since it is larger than the sum of its proper divisors (27117588545423).

110621760865345 is an equidigital number, since it uses as much as digits as its factorization.

110621760865345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6164489460.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 110621760865345 in words is "one hundred ten trillion, six hundred twenty-one billion, seven hundred sixty million, eight hundred sixty-five thousand, three hundred forty-five".