13135511251235 has 4 divisors (see below), whose sum is σ = 15762613501488. Its totient is φ = 10508409000984.

The previous prime is 13135511251217. The next prime is 13135511251301. The reversal of 13135511251235 is 53215211553131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13135511251235 - 2³⁶ = 13066791774499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1313551125119 + ... + 1313551125128.

It is an arithmetic number, because the mean of its divisors is an integer number (3940653375372).

Almost surely, 2^{13135511251235} is an apocalyptic number.

13135511251235 is a deficient number, since it is larger than the sum of its proper divisors (2627102250253).

13135511251235 is an equidigital number, since it uses as much as digits as its factorization.

13135511251235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627102250252.

The product of its digits is 67500, while the sum is 38.

The spelling of 13135511251235 in words is "thirteen trillion, one hundred thirty-five billion, five hundred eleven million, two hundred fifty-one thousand, two hundred thirty-five".