11414132521 has 4 divisors (see below), whose sum is σ = 12451780944. Its totient is φ = 10376484100.

The previous prime is 11414132491. The next prime is 11414132531. The reversal of 11414132521 is 12523141411.

It is a happy number.

11414132521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11414132521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11414132531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518824195 + ... + 518824216.

It is an arithmetic number, because the mean of its divisors is an integer number (3112945236).

Almost surely, 2^11414132521 is an apocalyptic number.

11414132521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11414132521 is a deficient number, since it is larger than the sum of its proper divisors (1037648423).

11414132521 is a wasteful number, since it uses less digits than its factorization.

11414132521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037648422.

The product of its digits is 960, while the sum is 25.

Adding to 11414132521 its reverse (12523141411), we get a palindrome (23937273932).

The spelling of 11414132521 in words is "eleven billion, four hundred fourteen million, one hundred thirty-two thousand, five hundred twenty-one".