11331140421 has 8 divisors (see below), whose sum is σ = 15124630720. Its totient is φ = 7545871872.

The previous prime is 11331140413. The next prime is 11331140473. The reversal of 11331140421 is 12404113311.

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

It is not a de Polignac number, because 11331140421 - 2³ = 11331140413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331140021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2052220 + ... + 2057733.

It is an arithmetic number, because the mean of its divisors is an integer number (1890578840).

Almost surely, 2^11331140421 is an apocalyptic number.

It is an amenable number.

11331140421 is a deficient number, since it is larger than the sum of its proper divisors (3793490299).

11331140421 is an equidigital number, since it uses as much as digits as its factorization.

11331140421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110875.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11331140421 its reverse (12404113311), we get a palindrome (23735253732).

The spelling of 11331140421 in words is "eleven billion, three hundred thirty-one million, one hundred forty thousand, four hundred twenty-one".