11214140405 has 8 divisors (see below), whose sum is σ = 14492119992. Its totient is φ = 8281211328.

The previous prime is 11214140401. The next prime is 11214140417. The reversal of 11214140405 is 50404141211.

It can be written as a sum of positive squares in 4 ways, for example, as 239692324 + 10974448081 = 15482^2 + 104759^2 .

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

It is not a de Polignac number, because 11214140405 - 2² = 11214140401 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 (11214140401) 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, 86262554 + ... + 86262683.

It is an arithmetic number, because the mean of its divisors is an integer number (1811514999).

Almost surely, 2^11214140405 is an apocalyptic number.

It is an amenable number.

11214140405 is a deficient number, since it is larger than the sum of its proper divisors (3277979587).

11214140405 is a wasteful number, since it uses less digits than its factorization.

11214140405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172525255.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 11214140405 its reverse (50404141211), we get a palindrome (61618281616).

The spelling of 11214140405 in words is "eleven billion, two hundred fourteen million, one hundred forty thousand, four hundred five".