11421331411 has 8 divisors (see below), whose sum is σ = 13247770880. Its totient is φ = 9643597128.

The previous prime is 11421331403. The next prime is 11421331469. The reversal of 11421331411 is 11413312411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11421331411 - 2³ = 11421331403 is a prime.

It is a super-2 number, since 2×11421331411² (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 (11421331111) 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 7 ways as a sum of consecutive naturals, for example, 12175791 + ... + 12176728.

It is an arithmetic number, because the mean of its divisors is an integer number (1655971360).

Almost surely, 2^11421331411 is an apocalyptic number.

11421331411 is a deficient number, since it is larger than the sum of its proper divisors (1826439469).

11421331411 is an equidigital number, since it uses as much as digits as its factorization.

11421331411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24352593.

The product of its digits is 288, while the sum is 22.

Adding to 11421331411 its reverse (11413312411), we get a palindrome (22834643822).

The spelling of 11421331411 in words is "eleven billion, four hundred twenty-one million, three hundred thirty-one thousand, four hundred eleven".