63611050201 has 4 divisors (see below), whose sum is σ = 65330267812. Its totient is φ = 61891832592.

The previous prime is 63611050199. The next prime is 63611050241. The reversal of 63611050201 is 10205011636.

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 58418406601 + 5192643600 = 241699^2 + 72060^2 .

It is a cyclic number.

It is not a de Polignac number, because 63611050201 - 2¹ = 63611050199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63611050241) 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, 859608750 + ... + 859608823.

It is an arithmetic number, because the mean of its divisors is an integer number (16332566953).

Almost surely, 2^63611050201 is an apocalyptic number.

It is an amenable number.

63611050201 is a deficient number, since it is larger than the sum of its proper divisors (1719217611).

63611050201 is a wasteful number, since it uses less digits than its factorization.

63611050201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719217610.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 63611050201 its reverse (10205011636), we get a palindrome (73816061837).

The spelling of 63611050201 in words is "sixty-three billion, six hundred eleven million, fifty thousand, two hundred one".