211563055245 has 8 divisors (see below), whose sum is σ = 338500888416. Its totient is φ = 112833629456.

The previous prime is 211563055219. The next prime is 211563055289. The reversal of 211563055245 is 542550365112.

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

It is a cyclic number.

It is not a de Polignac number, because 211563055245 - 2⁵ = 211563055213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7052101827 + ... + 7052101856.

It is an arithmetic number, because the mean of its divisors is an integer number (42312611052).

Almost surely, 2^211563055245 is an apocalyptic number.

It is an amenable number.

211563055245 is a deficient number, since it is larger than the sum of its proper divisors (126937833171).

211563055245 is a wasteful number, since it uses less digits than its factorization.

211563055245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14104203691.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 211563055245 in words is "two hundred eleven billion, five hundred sixty-three million, fifty-five thousand, two hundred forty-five".