11554142620211 has 2 divisors, whose sum is σ = 11554142620212. Its totient is φ = 11554142620210.

The previous prime is 11554142620147. The next prime is 11554142620213. The reversal of 11554142620211 is 11202624145511.

It is a strong prime.

It is an emirp because it is prime and its reverse (11202624145511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11554142620211 - 2⁶ = 11554142620147 is a prime.

It is a Sophie Germain prime.

Together with 11554142620213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11554142620213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5777071310105 + 5777071310106.

It is an arithmetic number, because the mean of its divisors is an integer number (5777071310106).

Almost surely, 2^{11554142620211} is an apocalyptic number.

11554142620211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11554142620211 is an equidigital number, since it uses as much as digits as its factorization.

11554142620211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 35.

Adding to 11554142620211 its reverse (11202624145511), we get a palindrome (22756766765722).

The spelling of 11554142620211 in words is "eleven trillion, five hundred fifty-four billion, one hundred forty-two million, six hundred twenty thousand, two hundred eleven".