13425543303511 has 4 divisors (see below), whose sum is σ = 14215281144912. Its totient is φ = 12635805462112.

The previous prime is 13425543303493. The next prime is 13425543303517. The reversal of 13425543303511 is 11530334552431.

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

It is a cyclic number.

It is not a de Polignac number, because 13425543303511 - 2⁵ = 13425543303479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13425543303517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394868920675 + ... + 394868920708.

It is an arithmetic number, because the mean of its divisors is an integer number (3553820286228).

Almost surely, 2^{13425543303511} is an apocalyptic number.

13425543303511 is a deficient number, since it is larger than the sum of its proper divisors (789737841401).

13425543303511 is an equidigital number, since it uses as much as digits as its factorization.

13425543303511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789737841400.

The product of its (nonzero) digits is 324000, while the sum is 40.

Adding to 13425543303511 its reverse (11530334552431), we get a palindrome (24955877855942).

The spelling of 13425543303511 in words is "thirteen trillion, four hundred twenty-five billion, five hundred forty-three million, three hundred three thousand, five hundred eleven".