11404331121 has 8 divisors (see below), whose sum is σ = 15529302144. Its totient is φ = 7441123760.

The previous prime is 11404331117. The next prime is 11404331131. The reversal of 11404331121 is 12113340411.

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 11404331121 - 2² = 11404331117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11404331131) 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, 40440750 + ... + 40441031.

It is an arithmetic number, because the mean of its divisors is an integer number (1941162768).

Almost surely, 2^11404331121 is an apocalyptic number.

It is an amenable number.

11404331121 is a deficient number, since it is larger than the sum of its proper divisors (4124971023).

11404331121 is an equidigital number, since it uses as much as digits as its factorization.

11404331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80881831.

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

Adding to 11404331121 its reverse (12113340411), we get a palindrome (23517671532).

The spelling of 11404331121 in words is "eleven billion, four hundred four million, three hundred thirty-one thousand, one hundred twenty-one".