6811289397135 has 24 divisors (see below), whose sum is σ = 11892411863280. Its totient is φ = 3606171706752.

The previous prime is 6811289397127. The next prime is 6811289397139. The reversal of 6811289397135 is 5317939821186.

It is not a de Polignac number, because 6811289397135 - 2³ = 6811289397127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6811289397139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 552409845 + ... + 552422174.

It is an arithmetic number, because the mean of its divisors is an integer number (495517160970).

Almost surely, 2^{6811289397135} is an apocalyptic number.

6811289397135 is a deficient number, since it is larger than the sum of its proper divisors (5081122466145).

6811289397135 is a wasteful number, since it uses less digits than its factorization.

6811289397135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104832167 (or 1104832164 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 63.

The spelling of 6811289397135 in words is "six trillion, eight hundred eleven billion, two hundred eighty-nine million, three hundred ninety-seven thousand, one hundred thirty-five".