127159816065 has 16 divisors (see below), whose sum is σ = 212301606528. Its totient is φ = 64869934976.

The previous prime is 127159816057. The next prime is 127159816087. The reversal of 127159816065 is 560618951721.

It is a cyclic number.

It is not a de Polignac number, because 127159816065 - 2³ = 127159816057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127159815999 and 127159816017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184289244 + ... + 184289933.

It is an arithmetic number, because the mean of its divisors is an integer number (13268850408).

Almost surely, 2^127159816065 is an apocalyptic number.

127159816065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

127159816065 is a deficient number, since it is larger than the sum of its proper divisors (85141790463).

127159816065 is a wasteful number, since it uses less digits than its factorization.

127159816065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368579208.

The product of its (nonzero) digits is 907200, while the sum is 51.

The spelling of 127159816065 in words is "one hundred twenty-seven billion, one hundred fifty-nine million, eight hundred sixteen thousand, sixty-five".