63510552113 has 2 divisors, whose sum is σ = 63510552114. Its totient is φ = 63510552112.

The previous prime is 63510552071. The next prime is 63510552187. The reversal of 63510552113 is 31125501536.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62776304704 + 734247409 = 250552^2 + 27097^2 .

It is a cyclic number.

It is not a de Polignac number, because 63510552113 - 2⁸ = 63510551857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63510552113.

It is not a weakly prime, because it can be changed into another prime (63510552613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31755276056 + 31755276057.

It is an arithmetic number, because the mean of its divisors is an integer number (31755276057).

Almost surely, 2^63510552113 is an apocalyptic number.

It is an amenable number.

63510552113 is a deficient number, since it is larger than the sum of its proper divisors (1).

63510552113 is an equidigital number, since it uses as much as digits as its factorization.

63510552113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 32.

The spelling of 63510552113 in words is "sixty-three billion, five hundred ten million, five hundred fifty-two thousand, one hundred thirteen".