13123485849553 has 8 divisors (see below), whose sum is σ = 13304632240328. Its totient is φ = 12942376556544.

The previous prime is 13123485849517. The next prime is 13123485849563. The reversal of 13123485849553 is 35594858432131.

It can be written as a sum of positive squares in 4 ways, for example, as 715254158529 + 12408231691024 = 845727^2 + 3522532^2 .

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 13123485849553 - 2⁹ = 13123485849041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13123485849491 and 13123485849500.

It is not an unprimeable number, because it can be changed into a prime (13123485849503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8561676 + ... + 9977437.

It is an arithmetic number, because the mean of its divisors is an integer number (1663079030041).

Almost surely, 2^{13123485849553} is an apocalyptic number.

It is an amenable number.

13123485849553 is a deficient number, since it is larger than the sum of its proper divisors (181146390775).

13123485849553 is an equidigital number, since it uses as much as digits as its factorization.

13123485849553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18548883.

The product of its digits is 62208000, while the sum is 61.

The spelling of 13123485849553 in words is "thirteen trillion, one hundred twenty-three billion, four hundred eighty-five million, eight hundred forty-nine thousand, five hundred fifty-three".