127845818655 has 32 divisors (see below), whose sum is σ = 205199059968. Its totient is φ = 67969536000.

The previous prime is 127845818629. The next prime is 127845818663. The reversal of 127845818655 is 556818548721.

It is not a de Polignac number, because 127845818655 - 2⁵ = 127845818623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6210630 + ... + 6231180.

It is an arithmetic number, because the mean of its divisors is an integer number (6412470624).

Almost surely, 2^127845818655 is an apocalyptic number.

127845818655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

127845818655 is a deficient number, since it is larger than the sum of its proper divisors (77353241313).

127845818655 is a wasteful number, since it uses less digits than its factorization.

127845818655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21847.

The product of its digits is 21504000, while the sum is 60.

The spelling of 127845818655 in words is "one hundred twenty-seven billion, eight hundred forty-five million, eight hundred eighteen thousand, six hundred fifty-five".