127864135718255 has 16 divisors (see below), whose sum is σ = 153534668732640. Its totient is φ = 102226178875392.

The previous prime is 127864135718243. The next prime is 127864135718281. The reversal of 127864135718255 is 552817531468721.

It is a cyclic number.

It is not a de Polignac number, because 127864135718255 - 2¹⁶ = 127864135652719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127864135718191 and 127864135718200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137628647 + ... + 138554583.

It is an arithmetic number, because the mean of its divisors is an integer number (9595916795790).

Almost surely, 2^{127864135718255} is an apocalyptic number.

127864135718255 is a deficient number, since it is larger than the sum of its proper divisors (25670533014385).

127864135718255 is a wasteful number, since it uses less digits than its factorization.

127864135718255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943498.

The product of its digits is 112896000, while the sum is 65.

The spelling of 127864135718255 in words is "one hundred twenty-seven trillion, eight hundred sixty-four billion, one hundred thirty-five million, seven hundred eighteen thousand, two hundred fifty-five".