63155554225560 has 192 divisors, whose sum is σ = 212011968430080. Its totient is φ = 16287802133760.

The previous prime is 63155554225453. The next prime is 63155554225571. The reversal of 63155554225560 is 6552245555136.

63155554225560 is a `hidden beast` number, since 6 + 3 + 1 + 5 + 5 + 5 + 54 + 2 + 25 + 560 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 63155554225497 and 63155554225506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15682009 + ... + 19293431.

It is an arithmetic number, because the mean of its divisors is an integer number (1104229002240).

Almost surely, 2^{63155554225560} is an apocalyptic number.

63155554225560 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 63155554225560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106005984215040).

63155554225560 is an abundant number, since it is smaller than the sum of its proper divisors (148856414204520).

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

63155554225560 is a wasteful number, since it uses less digits than its factorization.

63155554225560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613038 (or 3613031 counting only the distinct ones).

The product of its (nonzero) digits is 27000000, while the sum is 54.

The spelling of 63155554225560 in words is "sixty-three trillion, one hundred fifty-five billion, five hundred fifty-four million, two hundred twenty-five thousand, five hundred sixty".