211677955018 has 8 divisors (see below), whose sum is σ = 318163608000. Its totient is φ = 105623419020.

The previous prime is 211677955003. The next prime is 211677955051. The reversal of 211677955018 is 810559776112.

211677955018 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107778018 + ... + 107779981.

It is an arithmetic number, because the mean of its divisors is an integer number (39770451000).

Almost surely, 2^211677955018 is an apocalyptic number.

211677955018 is a deficient number, since it is larger than the sum of its proper divisors (106485652982).

211677955018 is a wasteful number, since it uses less digits than its factorization.

211677955018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215558492.

The product of its (nonzero) digits is 1058400, while the sum is 52.

The spelling of 211677955018 in words is "two hundred eleven billion, six hundred seventy-seven million, nine hundred fifty-five thousand, eighteen".