63532511523536 has 160 divisors (see below), whose sum is σ = 142429255372800. Its totient is φ = 27132777584640.

The previous prime is 63532511523511. The next prime is 63532511523571.

63532511523536 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11672330831 + ... + 11672336273.

It is an arithmetic number, because the mean of its divisors is an integer number (890182846080).

Almost surely, 2^{63532511523536} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63532511523536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71214627686400).

63532511523536 is an abundant number, since it is smaller than the sum of its proper divisors (78896743849264).

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

63532511523536 is a wasteful number, since it uses less digits than its factorization.

63532511523536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11497 (or 11491 counting only the distinct ones).

The product of its digits is 7290000, while the sum is 50.

It can be divided in two parts, 6353251 and 1523536, that added together give a palindrome (7876787).

The spelling of 63532511523536 in words is "sixty-three trillion, five hundred thirty-two billion, five hundred eleven million, five hundred twenty-three thousand, five hundred thirty-six".