11121432537211 has 4 divisors (see below), whose sum is σ = 11121442007992. Its totient is φ = 11121423066432.

The previous prime is 11121432537209. The next prime is 11121432537221. The reversal of 11121432537211 is 11273523412111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11121432537211 - 2¹ = 11121432537209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121432537221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2675181 + ... + 5422126.

It is an arithmetic number, because the mean of its divisors is an integer number (2780360501998).

Almost surely, 2^{11121432537211} is an apocalyptic number.

11121432537211 is a deficient number, since it is larger than the sum of its proper divisors (9470781).

11121432537211 is an equidigital number, since it uses as much as digits as its factorization.

11121432537211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9470780.

The product of its digits is 10080, while the sum is 34.

Adding to 11121432537211 its reverse (11273523412111), we get a palindrome (22394955949322).

The spelling of 11121432537211 in words is "eleven trillion, one hundred twenty-one billion, four hundred thirty-two million, five hundred thirty-seven thousand, two hundred eleven".