110641198406545 has 8 divisors (see below), whose sum is σ = 133457362638696. Its totient is φ = 88054342358016.

The previous prime is 110641198406461. The next prime is 110641198406561. The reversal of 110641198406545 is 545604891146011.

It is a happy number.

It is a Cunningham number, because it is equal to 10518612²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 110641198406544 = 1^2 + 10518612^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 110641198406545 - 2²⁷ = 110641064188817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 57327044842 + ... + 57327046771.

It is an arithmetic number, because the mean of its divisors is an integer number (16682170329837).

Almost surely, 2^{110641198406545} is an apocalyptic number.

It is an amenable number.

110641198406545 is a deficient number, since it is larger than the sum of its proper divisors (22816164232151).

110641198406545 is a wasteful number, since it uses less digits than its factorization.

110641198406545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114654091811.

The product of its (nonzero) digits is 4147200, while the sum is 55.

The spelling of 110641198406545 in words is "one hundred ten trillion, six hundred forty-one billion, one hundred ninety-eight million, four hundred six thousand, five hundred forty-five".