127388650115 has 4 divisors (see below), whose sum is σ = 152866380144. Its totient is φ = 101910920088.

The previous prime is 127388650111. The next prime is 127388650163. The reversal of 127388650115 is 511056883721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 511056883721 = 307 ⋅1664680403.

It is a cyclic number.

It is not a de Polignac number, because 127388650115 - 2² = 127388650111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 127388650115.

It is not an unprimeable number, because it can be changed into a prime (127388650111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12738865007 + ... + 12738865016.

It is an arithmetic number, because the mean of its divisors is an integer number (38216595036).

Almost surely, 2^127388650115 is an apocalyptic number.

127388650115 is a deficient number, since it is larger than the sum of its proper divisors (25477730029).

127388650115 is an equidigital number, since it uses as much as digits as its factorization.

127388650115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25477730028.

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 127388650115 in words is "one hundred twenty-seven billion, three hundred eighty-eight million, six hundred fifty thousand, one hundred fifteen".