63145527601 has 4 divisors (see below), whose sum is σ = 68002875892. Its totient is φ = 58288179312.

The previous prime is 63145527559. The next prime is 63145527673. The reversal of 63145527601 is 10672554136.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23623690000 + 39521837601 = 153700^2 + 198801^2 .

It is a cyclic number.

It is not a de Polignac number, because 63145527601 - 2¹⁵ = 63145494833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63145527001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2428674126 + ... + 2428674151.

It is an arithmetic number, because the mean of its divisors is an integer number (17000718973).

Almost surely, 2^63145527601 is an apocalyptic number.

It is an amenable number.

63145527601 is a deficient number, since it is larger than the sum of its proper divisors (4857348291).

63145527601 is a wasteful number, since it uses less digits than its factorization.

63145527601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857348290.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 63145527601 in words is "sixty-three billion, one hundred forty-five million, five hundred twenty-seven thousand, six hundred one".