135305085811 has 8 divisors (see below), whose sum is σ = 157924477440. Its totient is φ = 113508217608.

The previous prime is 135305085793. The next prime is 135305085847. The reversal of 135305085811 is 118580503531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135305085811 - 2⁹ = 135305085299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135305085011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205630501 + ... + 205631158.

It is an arithmetic number, because the mean of its divisors is an integer number (19740559680).

Almost surely, 2^135305085811 is an apocalyptic number.

135305085811 is a deficient number, since it is larger than the sum of its proper divisors (22619391629).

135305085811 is an equidigital number, since it uses as much as digits as its factorization.

135305085811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411261713.

The product of its (nonzero) digits is 72000, while the sum is 40.

The spelling of 135305085811 in words is "one hundred thirty-five billion, three hundred five million, eighty-five thousand, eight hundred eleven".