127800025655 has 16 divisors (see below), whose sum is σ = 154524736800. Its totient is φ = 101464135680.

The previous prime is 127800025643. The next prime is 127800025681. The reversal of 127800025655 is 556520008721.

It is not a de Polignac number, because 127800025655 - 2²⁶ = 127732916791 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1778015 + ... + 1848495.

It is an arithmetic number, because the mean of its divisors is an integer number (9657796050).

Almost surely, 2^127800025655 is an apocalyptic number.

127800025655 is a deficient number, since it is larger than the sum of its proper divisors (26724711145).

127800025655 is a wasteful number, since it uses less digits than its factorization.

127800025655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73234.

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 127800025655 in words is "one hundred twenty-seven billion, eight hundred million, twenty-five thousand, six hundred fifty-five".