13365534211253 has 16 divisors (see below), whose sum is σ = 15285003202560. Its totient is φ = 11448592811136.

The previous prime is 13365534211229. The next prime is 13365534211279. The reversal of 13365534211253 is 35211243556331.

It is a cyclic number.

It is not a de Polignac number, because 13365534211253 - 2²⁰ = 13365533162677 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13365534211223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320211401 + ... + 320253137.

It is an arithmetic number, because the mean of its divisors is an integer number (955312700160).

Almost surely, 2^{13365534211253} is an apocalyptic number.

It is an amenable number.

13365534211253 is a deficient number, since it is larger than the sum of its proper divisors (1919468991307).

13365534211253 is a wasteful number, since it uses less digits than its factorization.

13365534211253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70916.

The product of its digits is 972000, while the sum is 44.

Adding to 13365534211253 its reverse (35211243556331), we get a palindrome (48576777767584).

The spelling of 13365534211253 in words is "thirteen trillion, three hundred sixty-five billion, five hundred thirty-four million, two hundred eleven thousand, two hundred fifty-three".