63113344560 has 640 divisors, whose sum is σ = 268482816000. Its totient is φ = 13574615040.

The previous prime is 63113344531. The next prime is 63113344561. The reversal of 63113344560 is 6544331136.

63113344560 is a `hidden beast` number, since 6 + 311 + 334 + 4 + 5 + 6 + 0 = 666.

63113344560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63113344561) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12592455 + ... + 12597465.

It is an arithmetic number, because the mean of its divisors is an integer number (419504400).

Almost surely, 2^63113344560 is an apocalyptic number.

63113344560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63113344560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134241408000).

63113344560 is an abundant number, since it is smaller than the sum of its proper divisors (205369471440).

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

63113344560 is a wasteful number, since it uses less digits than its factorization.

63113344560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071 (or 5045 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 63113344560 its reverse (6544331136), we get a palindrome (69657675696).

The spelling of 63113344560 in words is "sixty-three billion, one hundred thirteen million, three hundred forty-four thousand, five hundred sixty".