11211241453 has 2 divisors, whose sum is σ = 11211241454. Its totient is φ = 11211241452.

The previous prime is 11211241451. The next prime is 11211241477. The reversal of 11211241453 is 35414211211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10598084809 + 613156644 = 102947^2 + 24762^2 .

It is a cyclic number.

It is not a de Polignac number, because 11211241453 - 2¹ = 11211241451 is a prime.

Together with 11211241451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11211241451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605620726 + 5605620727.

It is an arithmetic number, because the mean of its divisors is an integer number (5605620727).

Almost surely, 2^11211241453 is an apocalyptic number.

It is an amenable number.

11211241453 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211241453 is an equidigital number, since it uses as much as digits as its factorization.

11211241453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 25.

Adding to 11211241453 its reverse (35414211211), we get a palindrome (46625452664).

The spelling of 11211241453 in words is "eleven billion, two hundred eleven million, two hundred forty-one thousand, four hundred fifty-three".