13553424475505 has 48 divisors (see below), whose sum is σ = 17695609244544. Its totient is φ = 9958181990400.

The previous prime is 13553424475501. The next prime is 13553424475523. The reversal of 13553424475505 is 50557442435531.

It is not a de Polignac number, because 13553424475505 - 2² = 13553424475501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13553424475501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65946905 + ... + 66152105.

It is an arithmetic number, because the mean of its divisors is an integer number (368658525928).

Almost surely, 2^{13553424475505} is an apocalyptic number.

It is an amenable number.

13553424475505 is a deficient number, since it is larger than the sum of its proper divisors (4142184769039).

13553424475505 is a wasteful number, since it uses less digits than its factorization.

13553424475505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206346 (or 206329 counting only the distinct ones).

The product of its (nonzero) digits is 25200000, while the sum is 53.

The spelling of 13553424475505 in words is "thirteen trillion, five hundred fifty-three billion, four hundred twenty-four million, four hundred seventy-five thousand, five hundred five".