63135253135 has 4 divisors (see below), whose sum is σ = 75762303768. Its totient is φ = 50508202504.

The previous prime is 63135253117. The next prime is 63135253171. The reversal of 63135253135 is 53135253136.

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 63135253135 - 2¹¹ = 63135251087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63135253094 and 63135253103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6313525309 + ... + 6313525318.

It is an arithmetic number, because the mean of its divisors is an integer number (18940575942).

Almost surely, 2^63135253135 is an apocalyptic number.

63135253135 is a deficient number, since it is larger than the sum of its proper divisors (12627050633).

63135253135 is a wasteful number, since it uses less digits than its factorization.

63135253135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12627050632.

The product of its digits is 121500, while the sum is 37.

Subtracting from 63135253135 its reverse (53135253136), we obtain a palindrome (9999999999).

The spelling of 63135253135 in words is "sixty-three billion, one hundred thirty-five million, two hundred fifty-three thousand, one hundred thirty-five".