11411331331 has 4 divisors (see below), whose sum is σ = 11411743672. Its totient is φ = 11410918992.

The previous prime is 11411331313. The next prime is 11411331341. The reversal of 11411331331 is 13313311411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13313311411 = 101383 ⋅131317.

It is a cyclic number.

It is not a de Polignac number, because 11411331331 - 2⁷ = 11411331203 is a prime.

It is a super-2 number, since 2×11411331331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11411331341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161421 + ... + 221086.

It is an arithmetic number, because the mean of its divisors is an integer number (2852935918).

Almost surely, 2^11411331331 is an apocalyptic number.

11411331331 is a deficient number, since it is larger than the sum of its proper divisors (412341).

11411331331 is an equidigital number, since it uses as much as digits as its factorization.

11411331331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412340.

The product of its digits is 324, while the sum is 22.

Adding to 11411331331 its reverse (13313311411), we get a palindrome (24724642742).

The spelling of 11411331331 in words is "eleven billion, four hundred eleven million, three hundred thirty-one thousand, three hundred thirty-one".