135505511544103 has 6 divisors (see below), whose sum is σ = 143012742100944. Its totient is φ = 128373642515124.

The previous prime is 135505511544083. The next prime is 135505511544113. The reversal of 135505511544103 is 301445115505531.

It is a de Polignac number, because none of the positive numbers 2^k-135505511544103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135505511544103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135505511544113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 187680763551 + ... + 187680764272.

It is an arithmetic number, because the mean of its divisors is an integer number (23835457016824).

Almost surely, 2^{135505511544103} is an apocalyptic number.

135505511544103 is a deficient number, since it is larger than the sum of its proper divisors (7507230556841).

135505511544103 is an equidigital number, since it uses as much as digits as its factorization.

135505511544103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375361527861 (or 375361527842 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 43.

The spelling of 135505511544103 in words is "one hundred thirty-five trillion, five hundred five billion, five hundred eleven million, five hundred forty-four thousand, one hundred three".