563403121060120 has 64 divisors (see below), whose sum is σ = 1464245544592800. Its totient is φ = 192822458542080.

The previous prime is 563403121060099. The next prime is 563403121060121. The reversal of 563403121060120 is 21060121304365.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563403121060121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37660628955 + ... + 37660643914.

Almost surely, 2^{563403121060120} is an apocalyptic number.

It is an amenable number.

563403121060120 is an abundant number, since it is smaller than the sum of its proper divisors (900842423532680).

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

563403121060120 is a wasteful number, since it uses less digits than its factorization.

563403121060120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75321272908 (or 75321272904 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 563403121060120 its reverse (21060121304365), we get a palindrome (584463242364485).

The spelling of 563403121060120 in words is "five hundred sixty-three trillion, four hundred three billion, one hundred twenty-one million, sixty thousand, one hundred twenty".