11554452211 has 4 divisors (see below), whose sum is σ = 11575576072. Its totient is φ = 11533328352.

The previous prime is 11554452149. The next prime is 11554452227. The reversal of 11554452211 is 11225445511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11225445511 = 7 ⋅1603635073.

It is a cyclic number.

It is not a de Polignac number, because 11554452211 - 2¹³ = 11554444019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11554452251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10561110 + ... + 10562203.

It is an arithmetic number, because the mean of its divisors is an integer number (2893894018).

Almost surely, 2^11554452211 is an apocalyptic number.

11554452211 is a deficient number, since it is larger than the sum of its proper divisors (21123861).

11554452211 is an equidigital number, since it uses as much as digits as its factorization.

11554452211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21123860.

The product of its digits is 8000, while the sum is 31.

Adding to 11554452211 its reverse (11225445511), we get a palindrome (22779897722).

The spelling of 11554452211 in words is "eleven billion, five hundred fifty-four million, four hundred fifty-two thousand, two hundred eleven".