27120364801 has 4 divisors (see below), whose sum is σ = 27128694852. Its totient is φ = 27112034752.

The previous prime is 27120364793. The next prime is 27120364807. The reversal of 27120364801 is 10846302172.

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 9805752576 + 17314612225 = 99024^2 + 131585^2 .

It is a cyclic number.

It is not a de Polignac number, because 27120364801 - 2³ = 27120364793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27120364807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4160140 + ... + 4166653.

It is an arithmetic number, because the mean of its divisors is an integer number (6782173713).

Almost surely, 2^27120364801 is an apocalyptic number.

It is an amenable number.

27120364801 is a deficient number, since it is larger than the sum of its proper divisors (8330051).

27120364801 is an equidigital number, since it uses as much as digits as its factorization.

27120364801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8330050.

The product of its (nonzero) digits is 16128, while the sum is 34.

Adding to 27120364801 its reverse (10846302172), we get a palindrome (37966666973).

The spelling of 27120364801 in words is "twenty-seven billion, one hundred twenty million, three hundred sixty-four thousand, eight hundred one".