63215311351201 has 4 divisors (see below), whose sum is σ = 63215329229332. Its totient is φ = 63215293473072.

The previous prime is 63215311351187. The next prime is 63215311351219. The reversal of 63215311351201 is 10215311351236.

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 54739503918225 + 8475807432976 = 7398615^2 + 2911324^2 .

It is a cyclic number.

It is not a de Polignac number, because 63215311351201 - 2¹⁷ = 63215311220129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63215311355201) 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, 1658766 + ... + 11365831.

It is an arithmetic number, because the mean of its divisors is an integer number (15803832307333).

Almost surely, 2^{63215311351201} is an apocalyptic number.

It is an amenable number.

63215311351201 is a deficient number, since it is larger than the sum of its proper divisors (17878131).

63215311351201 is a wasteful number, since it uses less digits than its factorization.

63215311351201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17878130.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 63215311351201 in words is "sixty-three trillion, two hundred fifteen billion, three hundred eleven million, three hundred fifty-one thousand, two hundred one".