63525166532065 has 32 divisors (see below), whose sum is σ = 87626117546496. Its totient is φ = 43307182863360.

The previous prime is 63525166532053. The next prime is 63525166532071. The reversal of 63525166532065 is 56023566152536.

It is not a de Polignac number, because 63525166532065 - 2⁵ = 63525166532033 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63525166531997 and 63525166532015.

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, 275708260 + ... + 275938570.

It is an arithmetic number, because the mean of its divisors is an integer number (2738316173328).

Almost surely, 2^{63525166532065} is an apocalyptic number.

It is an amenable number.

63525166532065 is a deficient number, since it is larger than the sum of its proper divisors (24100951014431).

63525166532065 is a wasteful number, since it uses less digits than its factorization.

63525166532065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276049.

The product of its (nonzero) digits is 29160000, while the sum is 55.

The spelling of 63525166532065 in words is "sixty-three trillion, five hundred twenty-five billion, one hundred sixty-six million, five hundred thirty-two thousand, sixty-five".