127955578131 has 6 divisors (see below), whose sum is σ = 184824723980. Its totient is φ = 85303718748.

The previous prime is 127955578073. The next prime is 127955578141. The reversal of 127955578131 is 131875559721.

127955578131 is a `hidden beast` number, since 1 + 2 + 7 + 9 + 5 + 557 + 81 + 3 + 1 = 666.

It is not a de Polignac number, because 127955578131 - 2⁶ = 127955578067 is a prime.

It is a super-2 number, since 2×127955578131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127955578141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7108643221 + ... + 7108643238.

Almost surely, 2^127955578131 is an apocalyptic number.

127955578131 is a deficient number, since it is larger than the sum of its proper divisors (56869145849).

127955578131 is a wasteful number, since it uses less digits than its factorization.

127955578131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14217286465 (or 14217286462 counting only the distinct ones).

The product of its digits is 2646000, while the sum is 54.

The spelling of 127955578131 in words is "one hundred twenty-seven billion, nine hundred fifty-five million, five hundred seventy-eight thousand, one hundred thirty-one".