127689315211 has 8 divisors (see below), whose sum is σ = 133559032320. Its totient is φ = 121846098792.

The previous prime is 127689315209. The next prime is 127689315241. The reversal of 127689315211 is 112513986721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 127689315211 - 2¹ = 127689315209 is a prime.

It is a super-2 number, since 2×127689315211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127689315241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6615315 + ... + 6634588.

It is an arithmetic number, because the mean of its divisors is an integer number (16694879040).

Almost surely, 2^127689315211 is an apocalyptic number.

127689315211 is a deficient number, since it is larger than the sum of its proper divisors (5869717109).

127689315211 is a wasteful number, since it uses less digits than its factorization.

127689315211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13250345.

The product of its digits is 181440, while the sum is 46.

The spelling of 127689315211 in words is "one hundred twenty-seven billion, six hundred eighty-nine million, three hundred fifteen thousand, two hundred eleven".