127256180813455 has 32 divisors (see below), whose sum is σ = 154620735897600. Its totient is φ = 100537284291840.

The previous prime is 127256180813381. The next prime is 127256180813459. The reversal of 127256180813455 is 554318081652721.

It is not a de Polignac number, because 127256180813455 - 2¹⁹ = 127256180289167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 127256180813455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127256180813459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 854756932 + ... + 854905798.

It is an arithmetic number, because the mean of its divisors is an integer number (4831897996800).

Almost surely, 2^{127256180813455} is an apocalyptic number.

127256180813455 is a deficient number, since it is larger than the sum of its proper divisors (27364555084145).

127256180813455 is a wasteful number, since it uses less digits than its factorization.

127256180813455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155479.

The product of its (nonzero) digits is 16128000, while the sum is 58.

The spelling of 127256180813455 in words is "one hundred twenty-seven trillion, two hundred fifty-six billion, one hundred eighty million, eight hundred thirteen thousand, four hundred fifty-five".