127792394155 has 16 divisors (see below), whose sum is σ = 153591621984. Its totient is φ = 102073511680.

The previous prime is 127792394153. The next prime is 127792394161. The reversal of 127792394155 is 551493297721.

It is not a de Polignac number, because 127792394155 - 2¹ = 127792394153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 127792394096 and 127792394105.

It is not an unprimeable number, because it can be changed into a prime (127792394153) 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 15 ways as a sum of consecutive naturals, for example, 21800925 + ... + 21806785.

It is an arithmetic number, because the mean of its divisors is an integer number (9599476374).

Almost surely, 2^127792394155 is an apocalyptic number.

127792394155 is a deficient number, since it is larger than the sum of its proper divisors (25799227829).

127792394155 is an equidigital number, since it uses as much as digits as its factorization.

127792394155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11966.

The product of its digits is 4762800, while the sum is 55.

The spelling of 127792394155 in words is "one hundred twenty-seven billion, seven hundred ninety-two million, three hundred ninety-four thousand, one hundred fifty-five".