211803226378 has 8 divisors (see below), whose sum is σ = 317707378560. Its totient is φ = 105900766860.

The previous prime is 211803226373. The next prime is 211803226463. The reversal of 211803226378 is 873622308112.

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

It is not an unprimeable number, because it can be changed into a prime (211803226373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41488 + ... + 652171.

It is an arithmetic number, because the mean of its divisors is an integer number (39713422320).

Almost surely, 2^211803226378 is an apocalyptic number.

211803226378 is a deficient number, since it is larger than the sum of its proper divisors (105904152182).

211803226378 is a wasteful number, since it uses less digits than its factorization.

211803226378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846332.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 211803226378 in words is "two hundred eleven billion, eight hundred three million, two hundred twenty-six thousand, three hundred seventy-eight".