127311864563 has 8 divisors (see below), whose sum is σ = 139036143456. Its totient is φ = 115863451200.

The previous prime is 127311864551. The next prime is 127311864599. The reversal of 127311864563 is 365468113721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 127311864563 - 2¹⁸ = 127311602419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127311869563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68965418 + ... + 68967263.

It is an arithmetic number, because the mean of its divisors is an integer number (17379517932).

Almost surely, 2^127311864563 is an apocalyptic number.

127311864563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

127311864563 is a deficient number, since it is larger than the sum of its proper divisors (11724278893).

127311864563 is a wasteful number, since it uses less digits than its factorization.

127311864563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137932765.

The product of its digits is 725760, while the sum is 47.

The spelling of 127311864563 in words is "one hundred twenty-seven billion, three hundred eleven million, eight hundred sixty-four thousand, five hundred sixty-three".