63215255852 has 24 divisors (see below), whose sum is σ = 126452712960. Its totient is φ = 27087495120.

The previous prime is 63215255849. The next prime is 63215255879. The reversal of 63215255852 is 25855251236.

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 7 ways as a sum of consecutive naturals, for example, 33524 + ... + 357147.

It is an arithmetic number, because the mean of its divisors is an integer number (5268863040).

Almost surely, 2^63215255852 is an apocalyptic number.

It is an amenable number.

63215255852 is an abundant number, since it is smaller than the sum of its proper divisors (63237457108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63215255852 is a wasteful number, since it uses less digits than its factorization.

63215255852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396461 (or 396459 counting only the distinct ones).

The product of its digits is 720000, while the sum is 44.

The spelling of 63215255852 in words is "sixty-three billion, two hundred fifteen million, two hundred fifty-five thousand, eight hundred fifty-two".