11500985 has 8 divisors (see below), whose sum is σ = 14527680. Its totient is φ = 8716464.

The previous prime is 11500967. The next prime is 11500987. The reversal of 11500985 is 58900511.

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 11500985 - 2¹⁶ = 11435449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11500987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60437 + ... + 60626.

It is an arithmetic number, because the mean of its divisors is an integer number (1815960).

Almost surely, 2^11500985 is an apocalyptic number.

It is an amenable number.

11500985 is a deficient number, since it is larger than the sum of its proper divisors (3026695).

11500985 is a wasteful number, since it uses less digits than its factorization.

11500985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121087.

The product of its (nonzero) digits is 1800, while the sum is 29.

The square root of 11500985 is about 3391.3102187798. The cubic root of 11500985 is about 225.7243159985.

The spelling of 11500985 in words is "eleven million, five hundred thousand, nine hundred eighty-five".