11550085 has 8 divisors (see below), whose sum is σ = 13933080. Its totient is φ = 9191424.

The previous prime is 11550083. The next prime is 11550103. The reversal of 11550085 is 58005511.

It can be written as a sum of positive squares in 4 ways, for example, as 37636 + 11512449 = 194^2 + 3393^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11550085 - 2¹ = 11550083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11550083) 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 7 ways as a sum of consecutive naturals, for example, 5020 + ... + 6949.

It is an arithmetic number, because the mean of its divisors is an integer number (1741635).

Almost surely, 2^11550085 is an apocalyptic number.

It is an amenable number.

11550085 is a deficient number, since it is larger than the sum of its proper divisors (2382995).

11550085 is a wasteful number, since it uses less digits than its factorization.

11550085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12167.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 11550085 is about 3398.5415989804. The cubic root of 11550085 is about 226.0450806774.

Adding to 11550085 its reverse (58005511), we get a palindrome (69555596).

The spelling of 11550085 in words is "eleven million, five hundred fifty thousand, eighty-five".