11545005 has 16 divisors (see below), whose sum is σ = 18538560. Its totient is φ = 6135168.

The previous prime is 11545003. The next prime is 11545019. The reversal of 11545005 is 50054511.

It is not a de Polignac number, because 11545005 - 2¹ = 11545003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11545003) 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 15 ways as a sum of consecutive naturals, for example, 3466 + ... + 5924.

It is an arithmetic number, because the mean of its divisors is an integer number (1158660).

Almost surely, 2^11545005 is an apocalyptic number.

11545005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11545005 is a deficient number, since it is larger than the sum of its proper divisors (6993555).

11545005 is a wasteful number, since it uses less digits than its factorization.

11545005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 11545005 is about 3397.7941373780. The cubic root of 11545005 is about 226.0119358303.

Adding to 11545005 its reverse (50054511), we get a palindrome (61599516).

The spelling of 11545005 in words is "eleven million, five hundred forty-five thousand, five".