211256542013 has 8 divisors (see below), whose sum is σ = 231793832736. Its totient is φ = 190941276400.

The previous prime is 211256541971. The next prime is 211256542019. The reversal of 211256542013 is 310245652112.

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

It is not a de Polignac number, because 211256542013 - 2⁸ = 211256541757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211256542019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55504283 + ... + 55508088.

It is an arithmetic number, because the mean of its divisors is an integer number (28974229092).

Almost surely, 2^211256542013 is an apocalyptic number.

It is an amenable number.

211256542013 is a deficient number, since it is larger than the sum of its proper divisors (20537290723).

211256542013 is a wasteful number, since it uses less digits than its factorization.

211256542013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111012555.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 211256542013 in words is "two hundred eleven billion, two hundred fifty-six million, five hundred forty-two thousand, thirteen".