27755255512 has 16 divisors (see below), whose sum is σ = 52085868840. Its totient is φ = 13865690496.

The previous prime is 27755255509. The next prime is 27755255579. The reversal of 27755255512 is 21555255772.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1482273 + ... + 1500880.

Almost surely, 2^27755255512 is an apocalyptic number.

It is an amenable number.

27755255512 is a deficient number, since it is larger than the sum of its proper divisors (24330613328).

27755255512 is a wasteful number, since it uses less digits than its factorization.

27755255512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984322 (or 2984318 counting only the distinct ones).

The product of its digits is 1225000, while the sum is 46.

The spelling of 27755255512 in words is "twenty-seven billion, seven hundred fifty-five million, two hundred fifty-five thousand, five hundred twelve".