13135513561453 has 2 divisors, whose sum is σ = 13135513561454. Its totient is φ = 13135513561452.

The previous prime is 13135513561451. The next prime is 13135513561481. The reversal of 13135513561453 is 35416531553131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9256453323364 + 3879060238089 = 3042442^2 + 1969533^2 .

It is a cyclic number.

It is not a de Polignac number, because 13135513561453 - 2¹ = 13135513561451 is a prime.

Together with 13135513561451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13135513561451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6567756780726 + 6567756780727.

It is an arithmetic number, because the mean of its divisors is an integer number (6567756780727).

Almost surely, 2^{13135513561453} is an apocalyptic number.

It is an amenable number.

13135513561453 is a deficient number, since it is larger than the sum of its proper divisors (1).

13135513561453 is an equidigital number, since it uses as much as digits as its factorization.

13135513561453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1215000, while the sum is 46.

The spelling of 13135513561453 in words is "thirteen trillion, one hundred thirty-five billion, five hundred thirteen million, five hundred sixty-one thousand, four hundred fifty-three".