3601401351265 has 4 divisors (see below), whose sum is σ = 4321681621524. Its totient is φ = 2881121081008.

The previous prime is 3601401351259. The next prime is 3601401351269. The reversal of 3601401351265 is 5621531041063.

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 929340344529 + 2672061006736 = 964023^2 + 1634644^2 .

It is a cyclic number.

It is not a de Polignac number, because 3601401351265 - 2⁷ = 3601401351137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3601401351269) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 360140135122 + ... + 360140135131.

It is an arithmetic number, because the mean of its divisors is an integer number (1080420405381).

Almost surely, 2^{3601401351265} is an apocalyptic number.

It is an amenable number.

3601401351265 is a deficient number, since it is larger than the sum of its proper divisors (720280270259).

3601401351265 is an equidigital number, since it uses as much as digits as its factorization.

3601401351265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720280270258.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 3601401351265 in words is "three trillion, six hundred one billion, four hundred one million, three hundred fifty-one thousand, two hundred sixty-five".