13203985853053 has 2 divisors, whose sum is σ = 13203985853054. Its totient is φ = 13203985853052.

The previous prime is 13203985853033. The next prime is 13203985853063. The reversal of 13203985853053 is 35035858930231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13187196690724 + 16789162329 = 3631418^2 + 129573^2 .

It is an emirp because it is prime and its reverse (35035858930231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13203985853053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13203985852985 and 13203985853003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13203985853033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6601992926526 + 6601992926527.

It is an arithmetic number, because the mean of its divisors is an integer number (6601992926527).

Almost surely, 2^{13203985853053} is an apocalyptic number.

It is an amenable number.

13203985853053 is a deficient number, since it is larger than the sum of its proper divisors (1).

13203985853053 is an equidigital number, since it uses as much as digits as its factorization.

13203985853053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664000, while the sum is 55.

The spelling of 13203985853053 in words is "thirteen trillion, two hundred three billion, nine hundred eighty-five million, eight hundred fifty-three thousand, fifty-three".