63117805113757 has 2 divisors, whose sum is σ = 63117805113758. Its totient is φ = 63117805113756.

The previous prime is 63117805113749. The next prime is 63117805113799. The reversal of 63117805113757 is 75731150871136.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57701251745956 + 5416553367801 = 7596134^2 + 2327349^2 .

It is a cyclic number.

It is not a de Polignac number, because 63117805113757 - 2³ = 63117805113749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63117805113698 and 63117805113707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63117805113157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31558902556878 + 31558902556879.

It is an arithmetic number, because the mean of its divisors is an integer number (31558902556879).

Almost surely, 2^{63117805113757} is an apocalyptic number.

It is an amenable number.

63117805113757 is a deficient number, since it is larger than the sum of its proper divisors (1).

63117805113757 is an equidigital number, since it uses as much as digits as its factorization.

63117805113757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3704400, while the sum is 55.

The spelling of 63117805113757 in words is "sixty-three trillion, one hundred seventeen billion, eight hundred five million, one hundred thirteen thousand, seven hundred fifty-seven".