63255644655235 has 4 divisors (see below), whose sum is σ = 75906773586288. Its totient is φ = 50604515724184.

The previous prime is 63255644655157. The next prime is 63255644655271. The reversal of 63255644655235 is 53255644655236.

It is a happy number.

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 63255644655235 - 2²⁷ = 63255510437507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6325564465519 + ... + 6325564465528.

It is an arithmetic number, because the mean of its divisors is an integer number (18976693396572).

Almost surely, 2^{63255644655235} is an apocalyptic number.

63255644655235 is a deficient number, since it is larger than the sum of its proper divisors (12651128931053).

63255644655235 is a wasteful number, since it uses less digits than its factorization.

63255644655235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12651128931052.

The product of its digits is 388800000, while the sum is 61.

Subtracting from 63255644655235 its reverse (53255644655236), we obtain a palindrome (9999999999999).

The spelling of 63255644655235 in words is "sixty-three trillion, two hundred fifty-five billion, six hundred forty-four million, six hundred fifty-five thousand, two hundred thirty-five".