110564321641 has 2 divisors, whose sum is σ = 110564321642. Its totient is φ = 110564321640.

The previous prime is 110564321639. The next prime is 110564321671. The reversal of 110564321641 is 146123465011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108033829225 + 2530492416 = 328685^2 + 50304^2 .

It is a cyclic number.

It is not a de Polignac number, because 110564321641 - 2¹ = 110564321639 is a prime.

It is a super-3 number, since 3×110564321641³ (a number of 34 digits) contains 333 as substring.

Together with 110564321639, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 110564321597 and 110564321606.

It is not a weakly prime, because it can be changed into another prime (110564321671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55282160820 + 55282160821.

It is an arithmetic number, because the mean of its divisors is an integer number (55282160821).

Almost surely, 2^110564321641 is an apocalyptic number.

It is an amenable number.

110564321641 is a deficient number, since it is larger than the sum of its proper divisors (1).

110564321641 is an equidigital number, since it uses as much as digits as its factorization.

110564321641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 110564321641 its reverse (146123465011), we get a palindrome (256687786652).

The spelling of 110564321641 in words is "one hundred ten billion, five hundred sixty-four million, three hundred twenty-one thousand, six hundred forty-one".