11411321011 has 4 divisors (see below), whose sum is σ = 11411824912. Its totient is φ = 11410817112.

The previous prime is 11411320957. The next prime is 11411321021. The reversal of 11411321011 is 11012311411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11411321011 - 2⁷ = 11411320883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11411321021) 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, 216300 + ... + 263833.

It is an arithmetic number, because the mean of its divisors is an integer number (2852956228).

Almost surely, 2^11411321011 is an apocalyptic number.

11411321011 is a deficient number, since it is larger than the sum of its proper divisors (503901).

11411321011 is an equidigital number, since it uses as much as digits as its factorization.

11411321011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503900.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11411321011 its reverse (11012311411), we get a palindrome (22423632422).

The spelling of 11411321011 in words is "eleven billion, four hundred eleven million, three hundred twenty-one thousand, eleven".