11505006 has 12 divisors (see below), whose sum is σ = 24927552. Its totient is φ = 3834996.

The previous prime is 11505001. The next prime is 11505017. The reversal of 11505006 is 60050511.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 639167 = 11505006 / (1 + 1 + 5 + 0 + 5 + 0 + 0 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 11505006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11505001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 319566 + ... + 319601.

It is an arithmetic number, because the mean of its divisors is an integer number (2077296).

Almost surely, 2^11505006 is an apocalyptic number.

11505006 is an abundant number, since it is smaller than the sum of its proper divisors (13422546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11505006 is a wasteful number, since it uses less digits than its factorization.

11505006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639175 (or 639172 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 11505006 is about 3391.9030056887. The cubic root of 11505006 is about 225.7506190128.

Adding to 11505006 its reverse (60050511), we get a palindrome (71555517).

The spelling of 11505006 in words is "eleven million, five hundred five thousand, six".