2127545573556 has 48 divisors (see below), whose sum is σ = 5348056746368. Its totient is φ = 654394723200.

The previous prime is 2127545573497. The next prime is 2127545573611. The reversal of 2127545573556 is 6553755457212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2127545573496 and 2127545573505.

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, 2007835 + ... + 2878626.

Almost surely, 2^{2127545573556} is an apocalyptic number.

2127545573556 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2127545573556 is an abundant number, since it is smaller than the sum of its proper divisors (3220511172812).

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

2127545573556 is a wasteful number, since it uses less digits than its factorization.

2127545573556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4889272 (or 4889270 counting only the distinct ones).

The product of its digits is 44100000, while the sum is 57.

The spelling of 2127545573556 in words is "two trillion, one hundred twenty-seven billion, five hundred forty-five million, five hundred seventy-three thousand, five hundred fifty-six".