11900075 has 24 divisors (see below), whose sum is σ = 16286160. Its totient is φ = 8553600.

The previous prime is 11900059. The next prime is 11900087. The reversal of 11900075 is 57000911.

It is not a de Polignac number, because 11900075 - 2⁴ = 11900059 is a prime.

It is a super-2 number, since 2×11900075² = 283223570011250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11900075.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29777 + ... + 30173.

It is an arithmetic number, because the mean of its divisors is an integer number (678590).

Almost surely, 2^11900075 is an apocalyptic number.

11900075 is a deficient number, since it is larger than the sum of its proper divisors (4386085).

11900075 is a wasteful number, since it uses less digits than its factorization.

11900075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 315, while the sum is 23.

The square root of 11900075 is about 3449.6485328219. The cubic root of 11900075 is about 228.3056010269.

Adding to 11900075 its reverse (57000911), we get a palindrome (68900986).

The spelling of 11900075 in words is "eleven million, nine hundred thousand, seventy-five".