63505101252 has 12 divisors (see below), whose sum is σ = 148178569616. Its totient is φ = 21168367080.

The previous prime is 63505101197. The next prime is 63505101259. The reversal of 63505101252 is 25210150536.

It is a happy number.

63505101252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (63505101259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2646045874 + ... + 2646045897.

Almost surely, 2^63505101252 is an apocalyptic number.

It is an amenable number.

63505101252 is an abundant number, since it is smaller than the sum of its proper divisors (84673468364).

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

63505101252 is a wasteful number, since it uses less digits than its factorization.

63505101252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5292091778 (or 5292091776 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 63505101252 its reverse (25210150536), we get a palindrome (88715251788).

The spelling of 63505101252 in words is "sixty-three billion, five hundred five million, one hundred one thousand, two hundred fifty-two".