211503442413 has 16 divisors (see below), whose sum is σ = 298253811200. Its totient is φ = 132948028080.

The previous prime is 211503442373. The next prime is 211503442433. The reversal of 211503442413 is 314244305112.

It is not a de Polignac number, because 211503442413 - 2⁹ = 211503441901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211503442433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8780833 + ... + 8804886.

It is an arithmetic number, because the mean of its divisors is an integer number (18640863200).

Almost surely, 2^211503442413 is an apocalyptic number.

It is an amenable number.

211503442413 is a deficient number, since it is larger than the sum of its proper divisors (86750368787).

211503442413 is a wasteful number, since it uses less digits than its factorization.

211503442413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17585952.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 211503442413 its reverse (314244305112), we get a palindrome (525747747525).

The spelling of 211503442413 in words is "two hundred eleven billion, five hundred three million, four hundred forty-two thousand, four hundred thirteen".