127544874752481 has 32 divisors (see below), whose sum is σ = 171205658128512. Its totient is φ = 84457645056000.

The previous prime is 127544874752461. The next prime is 127544874752483. The reversal of 127544874752481 is 184257478445721.

It is not a de Polignac number, because 127544874752481 - 2³⁴ = 127527694883297 is a prime.

It is a super-2 number, since 2×127544874752481² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127544874752483) 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, 7971048481 + ... + 7971064481.

It is an arithmetic number, because the mean of its divisors is an integer number (5350176816516).

Almost surely, 2^{127544874752481} is an apocalyptic number.

It is an amenable number.

127544874752481 is a deficient number, since it is larger than the sum of its proper divisors (43660783376031).

127544874752481 is a wasteful number, since it uses less digits than its factorization.

127544874752481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24913.

The product of its digits is 561971200, while the sum is 69.

The spelling of 127544874752481 in words is "one hundred twenty-seven trillion, five hundred forty-four billion, eight hundred seventy-four million, seven hundred fifty-two thousand, four hundred eighty-one".