11545018 has 4 divisors (see below), whose sum is σ = 17317530. Its totient is φ = 5772508.

The previous prime is 11545003. The next prime is 11545019. The reversal of 11545018 is 81054511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81054511 = 103 ⋅786937.

It can be written as a sum of positive squares in only one way, i.e., 10909809 + 635209 = 3303^2 + 797^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11544983 and 11545001.

It is not an unprimeable number, because it can be changed into a prime (11545019) 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, 2886253 + ... + 2886256.

Almost surely, 2^11545018 is an apocalyptic number.

11545018 is a deficient number, since it is larger than the sum of its proper divisors (5772512).

11545018 is an equidigital number, since it uses as much as digits as its factorization.

11545018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5772511.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 11545018 is about 3397.7960503832. The cubic root of 11545018 is about 226.0120206622.

Adding to 11545018 its reverse (81054511), we get a palindrome (92599529).

The spelling of 11545018 in words is "eleven million, five hundred forty-five thousand, eighteen".