127864142605455 has 32 divisors (see below), whose sum is σ = 209438448223680. Its totient is φ = 66594101068800.

The previous prime is 127864142605439. The next prime is 127864142605457. The reversal of 127864142605455 is 554506241468721.

It is not a de Polignac number, because 127864142605455 - 2⁴ = 127864142605439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127864142605457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 577963200 + ... + 578184389.

It is an arithmetic number, because the mean of its divisors is an integer number (6544951506990).

Almost surely, 2^{127864142605455} is an apocalyptic number.

127864142605455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

127864142605455 is a deficient number, since it is larger than the sum of its proper divisors (81574305618225).

127864142605455 is a wasteful number, since it uses less digits than its factorization.

127864142605455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156147771.

The product of its (nonzero) digits is 64512000, while the sum is 60.

The spelling of 127864142605455 in words is "one hundred twenty-seven trillion, eight hundred sixty-four billion, one hundred forty-two million, six hundred five thousand, four hundred fifty-five".