13335520001 has 4 divisors (see below), whose sum is σ = 14119962372. Its totient is φ = 12551077632.

The previous prime is 13335519959. The next prime is 13335520007. The reversal of 13335520001 is 10002553331.

13335520001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10002553331 = 1783 ⋅5609957.

It can be written as a sum of positive squares in 2 ways, for example, as 7062721600 + 6272798401 = 84040^2 + 79201^2 .

It is a cyclic number.

It is not a de Polignac number, because 13335520001 - 2¹⁸ = 13335257857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13335520007) 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, 392221160 + ... + 392221193.

It is an arithmetic number, because the mean of its divisors is an integer number (3529990593).

Almost surely, 2^13335520001 is an apocalyptic number.

It is an amenable number.

13335520001 is a deficient number, since it is larger than the sum of its proper divisors (784442371).

13335520001 is an equidigital number, since it uses as much as digits as its factorization.

13335520001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784442370.

The product of its (nonzero) digits is 1350, while the sum is 23.

The spelling of 13335520001 in words is "thirteen billion, three hundred thirty-five million, five hundred twenty thousand, one".