61717134571348 has 6 divisors (see below), whose sum is σ = 108004985499866. Its totient is φ = 30858567285672.

The previous prime is 61717134571303. The next prime is 61717134571363. The reversal of 61717134571348 is 84317543171716.

It is a happy number.

61717134571348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 60035656999824 + 1681477571524 = 7748268^2 + 1296718^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61717134571292 and 61717134571301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7714641821415 + ... + 7714641821422.

Almost surely, 2^{61717134571348} is an apocalyptic number.

It is an amenable number.

61717134571348 is a deficient number, since it is larger than the sum of its proper divisors (46287850928518).

61717134571348 is a wasteful number, since it uses less digits than its factorization.

61717134571348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15429283642841 (or 15429283642839 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 58.

The spelling of 61717134571348 in words is "sixty-one trillion, seven hundred seventeen billion, one hundred thirty-four million, five hundred seventy-one thousand, three hundred forty-eight".