135508105115 has 4 divisors (see below), whose sum is σ = 162609726144. Its totient is φ = 108406484088.

The previous prime is 135508105099. The next prime is 135508105121. The reversal of 135508105115 is 511501805531.

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 135508105115 - 2⁴ = 135508105099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13550810507 + ... + 13550810516.

It is an arithmetic number, because the mean of its divisors is an integer number (40652431536).

Almost surely, 2^135508105115 is an apocalyptic number.

135508105115 is a deficient number, since it is larger than the sum of its proper divisors (27101621029).

135508105115 is an equidigital number, since it uses as much as digits as its factorization.

135508105115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27101621028.

The product of its (nonzero) digits is 15000, while the sum is 35.

The spelling of 135508105115 in words is "one hundred thirty-five billion, five hundred eight million, one hundred five thousand, one hundred fifteen".