63117560238912 has 140 divisors (see below), whose sum is σ = 187424494185060. Its totient is φ = 21002722689024.

The previous prime is 63117560238893. The next prime is 63117560238919. The reversal of 63117560238912 is 21983206571136.

It is a happy number.

63117560238912 is a `hidden beast` number, since 6 + 3 + 1 + 17 + 5 + 602 + 3 + 8 + 9 + 12 = 666.

63117560238912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 44238674278656 + 18878885960256 = 6651216^2 + 4344984^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63117560238919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7559487 + ... + 13541822.

Almost surely, 2^{63117560238912} is an apocalyptic number.

It is an amenable number.

63117560238912 is an abundant number, since it is smaller than the sum of its proper divisors (124306933946148).

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

63117560238912 is a wasteful number, since it uses less digits than its factorization.

63117560238912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21101910 (or 21101891 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 63117560238912 in words is "sixty-three trillion, one hundred seventeen billion, five hundred sixty million, two hundred thirty-eight thousand, nine hundred twelve".