216110056555 has 8 divisors (see below), whose sum is σ = 259334848944. Its totient is φ = 172886191200.

The previous prime is 216110056537. The next prime is 216110056579. The reversal of 216110056555 is 555650011612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-216110056555 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479620 + ... + 813790.

It is an arithmetic number, because the mean of its divisors is an integer number (32416856118).

Almost surely, 2^216110056555 is an apocalyptic number.

216110056555 is a deficient number, since it is larger than the sum of its proper divisors (43224792389).

216110056555 is a wasteful number, since it uses less digits than its factorization.

216110056555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463517.

The product of its (nonzero) digits is 45000, while the sum is 37.

The spelling of 216110056555 in words is "two hundred sixteen billion, one hundred ten million, fifty-six thousand, five hundred fifty-five".