11213566531211 has 32 divisors (see below), whose sum is σ = 12932355905280. Its totient is φ = 9616026499200.

The previous prime is 11213566531201. The next prime is 11213566531213.

11213566531211 is nontrivially palindromic in base 10.

11213566531211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11213566531211 - 2⁴² = 6815520020107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213566531213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68687621 + ... + 68850681.

It is an arithmetic number, because the mean of its divisors is an integer number (404136122040).

Almost surely, 2^{11213566531211} is an apocalyptic number.

11213566531211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11213566531211 is a deficient number, since it is larger than the sum of its proper divisors (1718789374069).

11213566531211 is a wasteful number, since it uses less digits than its factorization.

11213566531211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164507.

The product of its digits is 32400, while the sum is 38.

It can be divided in two parts, 1121356 and 6531211, that added together give a palindrome (7652567).

The spelling of 11213566531211 in words is "eleven trillion, two hundred thirteen billion, five hundred sixty-six million, five hundred thirty-one thousand, two hundred eleven".