11340557 has 4 divisors (see below), whose sum is σ = 11347296. Its totient is φ = 11333820.

The previous prime is 11340551. The next prime is 11340577. The reversal of 11340557 is 75504311.

11340557 is digitally balanced in base 3, 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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 75504311 = 71 ⋅1063441.

It is a cyclic number.

It is not a de Polignac number, because 11340557 - 2¹⁰ = 11339533 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 (11340551) 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 in 3 ways as a sum of consecutive naturals, for example, 1538 + ... + 5004.

It is an arithmetic number, because the mean of its divisors is an integer number (2836824).

Almost surely, 2^11340557 is an apocalyptic number.

It is an amenable number.

11340557 is a deficient number, since it is larger than the sum of its proper divisors (6739).

11340557 is an equidigital number, since it uses as much as digits as its factorization.

11340557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6738.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 11340557 is about 3367.5743495875. The cubic root of 11340557 is about 224.6698499531.

Adding to 11340557 its reverse (75504311), we get a palindrome (86844868).

The spelling of 11340557 in words is "eleven million, three hundred forty thousand, five hundred fifty-seven".