801103564801 has 4 divisors (see below), whose sum is σ = 808453138900. Its totient is φ = 793753990704.

The previous prime is 801103564799. The next prime is 801103564829. The reversal of 801103564801 is 108465301108.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 453634578576 + 347468986225 = 673524^2 + 589465^2 .

It is a cyclic number.

It is not a de Polignac number, because 801103564801 - 2¹ = 801103564799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801103564831) 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 3 ways as a sum of consecutive naturals, for example, 3674786886 + ... + 3674787103.

It is an arithmetic number, because the mean of its divisors is an integer number (202113284725).

Almost surely, 2^801103564801 is an apocalyptic number.

It is an amenable number.

801103564801 is a deficient number, since it is larger than the sum of its proper divisors (7349574099).

801103564801 is a wasteful number, since it uses less digits than its factorization.

801103564801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7349574098.

The product of its (nonzero) digits is 23040, while the sum is 37.

Adding to 801103564801 its reverse (108465301108), we get a palindrome (909568865909).

The spelling of 801103564801 in words is "eight hundred one billion, one hundred three million, five hundred sixty-four thousand, eight hundred one".