211882079506 has 16 divisors (see below), whose sum is σ = 318424963680. Its totient is φ = 105740536320.

The previous prime is 211882079443. The next prime is 211882079527. The reversal of 211882079506 is 605970288112.

It is a happy number.

211882079506 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 self number, because there is not a number n which added to its sum of digits gives 211882079506.

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 7 ways as a sum of consecutive naturals, for example, 4059805 + ... + 4111663.

It is an arithmetic number, because the mean of its divisors is an integer number (19901560230).

Almost surely, 2^211882079506 is an apocalyptic number.

211882079506 is a deficient number, since it is larger than the sum of its proper divisors (106542884174).

211882079506 is a wasteful number, since it uses less digits than its factorization.

211882079506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55689.

The product of its (nonzero) digits is 483840, while the sum is 49.

The spelling of 211882079506 in words is "two hundred eleven billion, eight hundred eighty-two million, seventy-nine thousand, five hundred six".