63128317211 has 8 divisors (see below), whose sum is σ = 63739872000. Its totient is φ = 62517162088.

The previous prime is 63128317193. The next prime is 63128317223. The reversal of 63128317211 is 11271382136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63128317211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63128317111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222530 + ... + 419256.

It is an arithmetic number, because the mean of its divisors is an integer number (7967484000).

Almost surely, 2^63128317211 is an apocalyptic number.

63128317211 is a deficient number, since it is larger than the sum of its proper divisors (611554789).

63128317211 is a wasteful number, since it uses less digits than its factorization.

63128317211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199833.

The product of its digits is 12096, while the sum is 35.

Adding to 63128317211 its reverse (11271382136), we get a palindrome (74399699347).

The spelling of 63128317211 in words is "sixty-three billion, one hundred twenty-eight million, three hundred seventeen thousand, two hundred eleven".