11340551 has 2 divisors, whose sum is σ = 11340552. Its totient is φ = 11340550.

The previous prime is 11340533. The next prime is 11340577. The reversal of 11340551 is 15504311.

It is a weak prime.

It is an emirp because it is prime and its reverse (15504311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11340551 - 2¹⁴ = 11324167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11340521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5670275 + 5670276.

It is an arithmetic number, because the mean of its divisors is an integer number (5670276).

Almost surely, 2^11340551 is an apocalyptic number.

11340551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11340551 is an equidigital number, since it uses as much as digits as its factorization.

11340551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 11340551 is about 3367.5734587385. The cubic root of 11340551 is about 224.6698103307.

Adding to 11340551 its reverse (15504311), we get a palindrome (26844862).

The spelling of 11340551 in words is "eleven million, three hundred forty thousand, five hundred fifty-one".