135530303555551 has 4 divisors (see below), whose sum is σ = 135530726040712. Its totient is φ = 135529881070392.

The previous prime is 135530303555539. The next prime is 135530303555587. The reversal of 135530303555551 is 155555303035531.

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 135530303555551 - 2²³ = 135530295166943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135530303555495 and 135530303555504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135530403555551) 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 3 ways as a sum of consecutive naturals, for example, 210761025 + ... + 211403098.

It is an arithmetic number, because the mean of its divisors is an integer number (33882681510178).

Almost surely, 2^{135530303555551} is an apocalyptic number.

135530303555551 is a deficient number, since it is larger than the sum of its proper divisors (422485161).

135530303555551 is an equidigital number, since it uses as much as digits as its factorization.

135530303555551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422485160.

The product of its (nonzero) digits is 6328125, while the sum is 49.

The spelling of 135530303555551 in words is "one hundred thirty-five trillion, five hundred thirty billion, three hundred three million, five hundred fifty-five thousand, five hundred fifty-one".