636115105140241 has 2 divisors, whose sum is σ = 636115105140242. Its totient is φ = 636115105140240.

The previous prime is 636115105140223. The next prime is 636115105140337. The reversal of 636115105140241 is 142041501511636.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 583930792915600 + 52184312224641 = 24164660^2 + 7223871^2 .

It is a cyclic number.

It is not a de Polignac number, because 636115105140241 - 2⁹ = 636115105139729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 636115105140194 and 636115105140203.

It is not a weakly prime, because it can be changed into another prime (636115105144241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318057552570120 + 318057552570121.

It is an arithmetic number, because the mean of its divisors is an integer number (318057552570121).

Almost surely, 2^{636115105140241} is an apocalyptic number.

It is an amenable number.

636115105140241 is a deficient number, since it is larger than the sum of its proper divisors (1).

636115105140241 is an equidigital number, since it uses as much as digits as its factorization.

636115105140241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 40.

Adding to 636115105140241 its reverse (142041501511636), we get a palindrome (778156606651877).

The spelling of 636115105140241 in words is "six hundred thirty-six trillion, one hundred fifteen billion, one hundred five million, one hundred forty thousand, two hundred forty-one".