13420332445553 has 24 divisors (see below), whose sum is σ = 14770625853984. Its totient is φ = 12184302493440.

The previous prime is 13420332445519. The next prime is 13420332445573. The reversal of 13420332445553 is 35554423302431.

It is a de Polignac number, because none of the positive numbers 2^k-13420332445553 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13420332445573) 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 23 ways as a sum of consecutive naturals, for example, 1097592026 + ... + 1097604252.

It is an arithmetic number, because the mean of its divisors is an integer number (615442743916).

Almost surely, 2^{13420332445553} is an apocalyptic number.

It is an amenable number.

13420332445553 is a deficient number, since it is larger than the sum of its proper divisors (1350293408431).

13420332445553 is a wasteful number, since it uses less digits than its factorization.

13420332445553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23405 (or 23394 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 44.

Adding to 13420332445553 its reverse (35554423302431), we get a palindrome (48974755747984).

The spelling of 13420332445553 in words is "thirteen trillion, four hundred twenty billion, three hundred thirty-two million, four hundred forty-five thousand, five hundred fifty-three".