127271566552 has 32 divisors (see below), whose sum is σ = 260243726400. Its totient is φ = 57997165824.

The previous prime is 127271566547. The next prime is 127271566601. The reversal of 127271566552 is 255665172721.

It is a junction number, because it is equal to n+sod(n) for n = 127271566496 and 127271566505.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7737133 + ... + 7753564.

It is an arithmetic number, because the mean of its divisors is an integer number (8132616450).

Almost surely, 2^127271566552 is an apocalyptic number.

It is an amenable number.

127271566552 is an abundant number, since it is smaller than the sum of its proper divisors (132972159848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127271566552 is a wasteful number, since it uses less digits than its factorization.

127271566552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15490795 (or 15490791 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 49.

The spelling of 127271566552 in words is "one hundred twenty-seven billion, two hundred seventy-one million, five hundred sixty-six thousand, five hundred fifty-two".