13505025542545 has 8 divisors (see below), whose sum is σ = 16401284032896. Its totient is φ = 10673851512816.

The previous prime is 13505025542443. The next prime is 13505025542597. The reversal of 13505025542545 is 54524552050531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13505025542545 - 2¹⁷ = 13505025411473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13505025542495 and 13505025542504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16271114697 + ... + 16271115526.

It is an arithmetic number, because the mean of its divisors is an integer number (2050160504112).

Almost surely, 2^{13505025542545} is an apocalyptic number.

It is an amenable number.

13505025542545 is a deficient number, since it is larger than the sum of its proper divisors (2896258490351).

13505025542545 is an equidigital number, since it uses as much as digits as its factorization.

13505025542545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32542230311.

The product of its (nonzero) digits is 3000000, while the sum is 46.

The spelling of 13505025542545 in words is "thirteen trillion, five hundred five billion, twenty-five million, five hundred forty-two thousand, five hundred forty-five".