11211411823 has 2 divisors, whose sum is σ = 11211411824. Its totient is φ = 11211411822.

The previous prime is 11211411797. The next prime is 11211411863. The reversal of 11211411823 is 32811411211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11211411823 - 2²¹ = 11209314671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11211411863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605705911 + 5605705912.

It is an arithmetic number, because the mean of its divisors is an integer number (5605705912).

Almost surely, 2^11211411823 is an apocalyptic number.

11211411823 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211411823 is an equidigital number, since it uses as much as digits as its factorization.

11211411823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 25.

The spelling of 11211411823 in words is "eleven billion, two hundred eleven million, four hundred eleven thousand, eight hundred twenty-three".