1635055452113 has 2 divisors, whose sum is σ = 1635055452114. Its totient is φ = 1635055452112.

The previous prime is 1635055452089. The next prime is 1635055452167. The reversal of 1635055452113 is 3112545505361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1456711405249 + 178344046864 = 1206943^2 + 422308^2 .

It is an emirp because it is prime and its reverse (3112545505361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1635055452113 - 2⁸ = 1635055451857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1635055452913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 817527726056 + 817527726057.

It is an arithmetic number, because the mean of its divisors is an integer number (817527726057).

Almost surely, 2^{1635055452113} is an apocalyptic number.

It is an amenable number.

1635055452113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1635055452113 is an equidigital number, since it uses as much as digits as its factorization.

1635055452113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 1635055452113 in words is "one trillion, six hundred thirty-five billion, fifty-five million, four hundred fifty-two thousand, one hundred thirteen".