127811411147 has 4 divisors (see below), whose sum is σ = 146070184176. Its totient is φ = 109552638120.

The previous prime is 127811411129. The next prime is 127811411153. The reversal of 127811411147 is 741114118721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 127811411147 - 2¹⁰ = 127811410123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 127811411147.

It is not an unprimeable number, because it can be changed into a prime (127811411347) 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, 9129386504 + ... + 9129386517.

It is an arithmetic number, because the mean of its divisors is an integer number (36517546044).

Almost surely, 2^127811411147 is an apocalyptic number.

127811411147 is a deficient number, since it is larger than the sum of its proper divisors (18258773029).

127811411147 is an equidigital number, since it uses as much as digits as its factorization.

127811411147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18258773028.

The product of its digits is 12544, while the sum is 38.

Adding to 127811411147 its reverse (741114118721), we get a palindrome (868925529868).

The spelling of 127811411147 in words is "one hundred twenty-seven billion, eight hundred eleven million, four hundred eleven thousand, one hundred forty-seven".